22729612 has 24 divisors (see below), whose sum is σ = 43950816. Its totient is φ = 10230528.

The previous prime is 22729601. The next prime is 22729613. The reversal of 22729612 is 21692722.

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22729613) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 5703 + ... + 8830.

It is an arithmetic number, because the mean of its divisors is an integer number (1831284).

Almost surely, 2^22729612 is an apocalyptic number.

It is an amenable number.

22729612 is a deficient number, since it is larger than the sum of its proper divisors (21221204).

22729612 is a wasteful number, since it uses less digits than its factorization.

22729612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14577 (or 14575 counting only the distinct ones).

The product of its digits is 6048, while the sum is 31.

The square root of 22729612 is about 4767.5582849085. The cubic root of 22729612 is about 283.2678855368.

The spelling of 22729612 in words is "twenty-two million, seven hundred twenty-nine thousand, six hundred twelve".