22793664 has 28 divisors (see below), whose sum is σ = 60308744. Its totient is φ = 7597824.

The previous prime is 22793611. The next prime is 22793671. The reversal of 22793664 is 46639722.

It is a super-2 number, since 2×22793664² = 1039102237089792, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59167 + ... + 59550.

Almost surely, 2^22793664 is an apocalyptic number.

22793664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22793664 is an abundant number, since it is smaller than the sum of its proper divisors (37515080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22793664 is a wasteful number, since it uses less digits than its factorization.

22793664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118732 (or 118722 counting only the distinct ones).

The product of its digits is 108864, while the sum is 39.

The square root of 22793664 is about 4774.2710438349. The cubic root of 22793664 is about 283.5337187606.

The spelling of 22793664 in words is "twenty-two million, seven hundred ninety-three thousand, six hundred sixty-four".