22332724 has 12 divisors (see below), whose sum is σ = 40781664. Its totient is φ = 10680824.

The previous prime is 22332721. The next prime is 22332731. The reversal of 22332724 is 42723322.

It is a super-2 number, since 2×22332724² = 997501122520352, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22332721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121282 + ... + 121465.

It is an arithmetic number, because the mean of its divisors is an integer number (3398472).

Almost surely, 2^22332724 is an apocalyptic number.

It is an amenable number.

22332724 is a deficient number, since it is larger than the sum of its proper divisors (18448940).

22332724 is a wasteful number, since it uses less digits than its factorization.

22332724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242774 (or 242772 counting only the distinct ones).

The product of its digits is 4032, while the sum is 25.

The square root of 22332724 is about 4725.7511572236. The cubic root of 22332724 is about 281.6094555247.

The spelling of 22332724 in words is "twenty-two million, three hundred thirty-two thousand, seven hundred twenty-four".