Number Gossip

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Unique Properties of 22

  • 22 is the smallest Hoax Number
  • 22 is the smallest multidigit number such that the sum of its digits equals the product of its digits
  • 22 is the only fixed point of the Look and Say operation

Rare Properties of 22

Pentagonal

Common Properties of 22

Composite
Deficient
Even
Lazy caterer
Odious
Palindrome
Smith (Joke)
Square-free