22256268 has 12 divisors (see below), whose sum is σ = 51931320. Its totient is φ = 7418752.

The previous prime is 22256251. The next prime is 22256287. The reversal of 22256268 is 86265222.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 927333 + ... + 927356.

It is an arithmetic number, because the mean of its divisors is an integer number (4327610).

Almost surely, 2^22256268 is an apocalyptic number.

It is an amenable number.

22256268 is an abundant number, since it is smaller than the sum of its proper divisors (29675052).

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

22256268 is a wasteful number, since it uses less digits than its factorization.

22256268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1854696 (or 1854694 counting only the distinct ones).

The product of its digits is 23040, while the sum is 33.

The square root of 22256268 is about 4717.6549259139. The cubic root of 22256268 is about 281.2877251124.

The spelling of 22256268 in words is "twenty-two million, two hundred fifty-six thousand, two hundred sixty-eight".