22256132 has 6 divisors (see below), whose sum is σ = 38948238. Its totient is φ = 11128064.

The previous prime is 22256123. The next prime is 22256189. The reversal of 22256132 is 23165222.

It can be written as a sum of positive squares in only one way, i.e., 21307456 + 948676 = 4616^2 + 974^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22256098 and 22256107.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2782013 + ... + 2782020.

It is an arithmetic number, because the mean of its divisors is an integer number (6491373).

Almost surely, 2^22256132 is an apocalyptic number.

It is an amenable number.

22256132 is a deficient number, since it is larger than the sum of its proper divisors (16692106).

22256132 is a wasteful number, since it uses less digits than its factorization.

22256132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5564037 (or 5564035 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 22256132 is about 4717.6405119509. The cubic root of 22256132 is about 281.2871521621.

The spelling of 22256132 in words is "twenty-two million, two hundred fifty-six thousand, one hundred thirty-two".