22669 has 2 divisors, whose sum is σ = 22670. Its totient is φ = 22668.

The previous prime is 22651. The next prime is 22679. The reversal of 22669 is 96622.

22669 is nontrivially palindromic in base 2.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22500 + 169 = 150^2 + 13^2 .

It is a cyclic number.

It is not a de Polignac number, because 22669 - 2⁵ = 22637 is a prime.

It is a super-2 number, since 2×22669² = 1027767122, which contains 22 as substring.

It is a plaindrome in base 10 and base 16.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11334 + 11335.

It is an arithmetic number, because the mean of its divisors is an integer number (11335).

2²²⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

22669 is a deficient number, since it is larger than the sum of its proper divisors (1).

22669 is an equidigital number, since it uses as much as digits as its factorization.

22669 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 25.

The square root of 22669 is about 150.5622794726. The cubic root of 22669 is about 28.3015868955.

The spelling of 22669 in words is "twenty-two thousand, six hundred sixty-nine".