22856470 has 32 divisors (see below), whose sum is σ = 50637888. Its totient is φ = 7233408.

The previous prime is 22856399. The next prime is 22856489. The reversal of 22856470 is 7465822.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11649 + ... + 13468.

It is an arithmetic number, because the mean of its divisors is an integer number (1582434).

Almost surely, 2^22856470 is an apocalyptic number.

22856470 is an abundant number, since it is smaller than the sum of its proper divisors (27781418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22856470 is a wasteful number, since it uses less digits than its factorization.

22856470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25144.

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 22856470 is about 4780.8440677353. The cubic root of 22856470 is about 283.7938976118.

The spelling of 22856470 in words is "twenty-two million, eight hundred fifty-six thousand, four hundred seventy".