22732372 has 48 divisors (see below), whose sum is σ = 45440640. Its totient is φ = 9871488.

The previous prime is 22732361. The next prime is 22732399. The reversal of 22732372 is 27323722.

It is a self number, because there is not a number n which added to its sum of digits gives 22732372.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99154 + ... + 99382.

It is an arithmetic number, because the mean of its divisors is an integer number (946680).

Almost surely, 2^22732372 is an apocalyptic number.

It is an amenable number.

22732372 is a deficient number, since it is larger than the sum of its proper divisors (22708268).

22732372 is a wasteful number, since it uses less digits than its factorization.

22732372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 350 counting only the distinct ones).

The product of its digits is 7056, while the sum is 28.

The square root of 22732372 is about 4767.8477324680. The cubic root of 22732372 is about 283.2793505767.

It can be divided in two parts, 22732 and 372, that added together give a square (23104 = 152²).

The spelling of 22732372 in words is "twenty-two million, seven hundred thirty-two thousand, three hundred seventy-two".