22856444 has 24 divisors (see below), whose sum is σ = 43427328. Its totient is φ = 10463040.

The previous prime is 22856399. The next prime is 22856489. The reversal of 22856444 is 44465822.

It is an interprime number because it is at equal distance from previous prime (22856399) and next prime (22856489).

It is a congruent number.

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, 4874 + ... + 8334.

It is an arithmetic number, because the mean of its divisors is an integer number (1809472).

Almost surely, 2^22856444 is an apocalyptic number.

It is an amenable number.

22856444 is a deficient number, since it is larger than the sum of its proper divisors (20570884).

22856444 is a wasteful number, since it uses less digits than its factorization.

22856444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3605 (or 3603 counting only the distinct ones).

The product of its digits is 61440, while the sum is 35.

The square root of 22856444 is about 4780.8413485494. The cubic root of 22856444 is about 283.7937900034.

The spelling of 22856444 in words is "twenty-two million, eight hundred fifty-six thousand, four hundred forty-four".