22239232 has 24 divisors (see below), whose sum is σ = 44471700. Its totient is φ = 11118592.

The previous prime is 22239227. The next prime is 22239233. The reversal of 22239232 is 23293222.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a cake number, because a cake can be divided into 22239232 parts by 511 planar cuts.

It is a junction number, because it is equal to n+sod(n) for n = 22239197 and 22239206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22239233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3382 + ... + 7477.

Almost surely, 2^22239232 is an apocalyptic number.

It is an amenable number.

22239232 is a deficient number, since it is larger than the sum of its proper divisors (22232468).

22239232 is an equidigital number, since it uses as much as digits as its factorization.

22239232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10881 (or 10861 counting only the distinct ones).

The product of its digits is 2592, while the sum is 25.

The square root of 22239232 is about 4715.8490221804. The cubic root of 22239232 is about 281.2159364836.

The spelling of 22239232 in words is "twenty-two million, two hundred thirty-nine thousand, two hundred thirty-two".