22 (number) Article Index for
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22 (number)
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Cardinal 22
twenty-two
Ordinal 22nd
twenty-second
Factorization 2 \cdot 11
Roman Numeral XXII
Binary 10110
Hexadecimal 16



IN MATHEMATICS

Twenty-two is a Composite Number , its proper Divisor s being 1 , 2 and 11 . It is a Smith Number .

Twenty-two is a Pentagonal Number and a Centered Heptagonal Number .

When cutting a circle with just six line segments, the maximum number of pieces that can be so created is 22, thus 22 is a central polygonal number (see Lazy Caterer's Sequence ).


IN SCIENCE



Astronomy




  • The series which began on -2192 May 17 and ended on -912 June 23 . The duration of Saros series 22 was 1280.1 years, and it contained 72 solar eclipses.




IN SPORTS


  • The number of players in a Rugby Union squad for international and other top-level matches. Seven of the players are "on the bench", ready to play as replacements or substitutes.

  • The number of players in a Soccer match

  • The number of players on the field at any one time in an American Football match



IN NUMEROLOGY


The number 22 is significant in many systems of Numerology , often called the Master Builder or Spiritual Master in Form. This 'master number' includes all the attributes of the number 2, twice over, and also those of the 4. People who are 22s are said to find themselves feeling as if they live in two worlds, one which is overwhelmed by the mundane, and the other by the fantastic.

In the traditional Tarot , there are 22 Major Arcana cards (numbered 0-21, however, so it is a matter of interpretation whether The Fool or The World is card 22).

It is almost always associated with hard workers, a red-gold colour, and a rose-gold Gemstone .

Interestingly, the Digital Root of the 22 is the 4, which is the number of hard work.


RELATED ARTICLES




IN OTHER FIELDS

Twenty-two is:
  • The number of letters in the Hebrew Alphabet .

  • In the Kabbalah , the number of paths between the '' Sephiroth ''.

  • The number of Yard s in a Chain . A Cricket pitch is 22 yards in length.

  • The narrowest f-stop available in most Single-lens Reflex Camera s.

  • A bullet caliber, with a diameter of .22 of an inch.

  • Theoretically, the minimum number of moves required to solve a Rubik's Cube from any position

  • In the title of Joseph Heller 's novel '' Catch-22 '', and consequently the expression Catch 22 .

  • The name of a song by punk band Millencolin .

  • The basis of the political platform of U.S. Presidential candidate Love 22

  • The episode of '' The Twilight Zone '', where an overworked dancer has recurring nightmares about a sinister nurse in Room 22, the morgue.


  • Historical years: 22 A.D. , 22 B.C. , or 1922

  • The underground produced song, "twenty-2", continues to gain populairity since it's debute release on Halloween of 2005. The meaning of the song is still unknown.