22256226 has 24 divisors (see below), whose sum is σ = 50319360. Its totient is φ = 7096056.

The previous prime is 22256209. The next prime is 22256231. The reversal of 22256226 is 62265222.

It is a self number, because there is not a number n which added to its sum of digits gives 22256226.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26466 + ... + 27293.

It is an arithmetic number, because the mean of its divisors is an integer number (2096640).

Almost surely, 2^22256226 is an apocalyptic number.

22256226 is an abundant number, since it is smaller than the sum of its proper divisors (28063134).

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

22256226 is a wasteful number, since it uses less digits than its factorization.

22256226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53790 (or 53787 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 22256226 is about 4717.6504745477. The cubic root of 22256226 is about 281.2875481721.

The spelling of 22256226 in words is "twenty-two million, two hundred fifty-six thousand, two hundred twenty-six".