22255856 has 40 divisors (see below), whose sum is σ = 52184160. Its totient is φ = 8976384.

The previous prime is 22255853. The next prime is 22255889. The reversal of 22255856 is 65855222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22255853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3941 + ... + 7748.

It is an arithmetic number, because the mean of its divisors is an integer number (1304604).

Almost surely, 2^22255856 is an apocalyptic number.

It is an amenable number.

22255856 is an abundant number, since it is smaller than the sum of its proper divisors (29928304).

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

22255856 is a wasteful number, since it uses less digits than its factorization.

22255856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11721 (or 11715 counting only the distinct ones).

The product of its digits is 48000, while the sum is 35.

The square root of 22255856 is about 4717.6112599493. The cubic root of 22255856 is about 281.2859894027.

The spelling of 22255856 in words is "twenty-two million, two hundred fifty-five thousand, eight hundred fifty-six".