22724456 has 16 divisors (see below), whose sum is σ = 44851200. Its totient is φ = 10764144.

The previous prime is 22724441. The next prime is 22724467. The reversal of 22724456 is 65442722.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 74600 + ... + 74903.

It is an arithmetic number, because the mean of its divisors is an integer number (2803200).

Almost surely, 2^22724456 is an apocalyptic number.

It is an amenable number.

22724456 is a deficient number, since it is larger than the sum of its proper divisors (22126744).

22724456 is a wasteful number, since it uses less digits than its factorization.

22724456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149528 (or 149524 counting only the distinct ones).

The product of its digits is 26880, while the sum is 32.

The square root of 22724456 is about 4767.0175162254. The cubic root of 22724456 is about 283.2464650265.

The spelling of 22724456 in words is "twenty-two million, seven hundred twenty-four thousand, four hundred fifty-six".