22732972 has 24 divisors (see below), whose sum is σ = 40851216. Its totient is φ = 11064768.

The previous prime is 22732967. The next prime is 22732981. The reversal of 22732972 is 27923722.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32943 + ... + 33625.

It is an arithmetic number, because the mean of its divisors is an integer number (1702134).

Almost surely, 2^22732972 is an apocalyptic number.

It is an amenable number.

22732972 is a deficient number, since it is larger than the sum of its proper divisors (18118244).

22732972 is a wasteful number, since it uses less digits than its factorization.

22732972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 895 counting only the distinct ones).

The product of its digits is 21168, while the sum is 34.

The square root of 22732972 is about 4767.9106535253. The cubic root of 22732972 is about 283.2818428538.

The spelling of 22732972 in words is "twenty-two million, seven hundred thirty-two thousand, nine hundred seventy-two".