23015228 has 24 divisors (see below), whose sum is σ = 41119680. Its totient is φ = 11269440.

The previous prime is 23015207. The next prime is 23015233. The reversal of 23015228 is 82251032.

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, 54458 + ... + 54878.

It is an arithmetic number, because the mean of its divisors is an integer number (1713320).

Almost surely, 2^23015228 is an apocalyptic number.

It is an amenable number.

23015228 is a deficient number, since it is larger than the sum of its proper divisors (18104452).

23015228 is a wasteful number, since it uses less digits than its factorization.

23015228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 677 (or 675 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 23015228 is about 4797.4188893612. The cubic root of 23015228 is about 284.4494470465.

The spelling of 23015228 in words is "twenty-three million, fifteen thousand, two hundred twenty-eight".