22855312 has 20 divisors (see below), whose sum is σ = 44419900. Its totient is φ = 11392128.

The previous prime is 22855303. The next prime is 22855321. The reversal of 22855312 is 21355822.

It is an interprime number because it is at equal distance from previous prime (22855303) and next prime (22855321).

It can be written as a sum of positive squares in 2 ways, for example, as 13220496 + 9634816 = 3636^2 + 3104^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3538 + ... + 7630.

It is an arithmetic number, because the mean of its divisors is an integer number (2220995).

Almost surely, 2^22855312 is an apocalyptic number.

It is an amenable number.

22855312 is a deficient number, since it is larger than the sum of its proper divisors (21564588).

22855312 is a wasteful number, since it uses less digits than its factorization.

22855312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4450 (or 4444 counting only the distinct ones).

The product of its digits is 4800, while the sum is 28.

The square root of 22855312 is about 4780.7229578799. The cubic root of 22855312 is about 283.7891048203.

The spelling of 22855312 in words is "twenty-two million, eight hundred fifty-five thousand, three hundred twelve".