22355256 has 64 divisors (see below), whose sum is σ = 69684480. Its totient is φ = 5806080.

The previous prime is 22355251. The next prime is 22355269. The reversal of 22355256 is 65255322.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22355251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4201 + ... + 7896.

It is an arithmetic number, because the mean of its divisors is an integer number (1088820).

Almost surely, 2^22355256 is an apocalyptic number.

It is an amenable number.

22355256 is an abundant number, since it is smaller than the sum of its proper divisors (47329224).

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

22355256 is a wasteful number, since it uses less digits than its factorization.

22355256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12124 (or 12120 counting only the distinct ones).

The product of its digits is 18000, while the sum is 30.

The square root of 22355256 is about 4728.1345158529. The cubic root of 22355256 is about 281.7041311152.

The spelling of 22355256 in words is "twenty-two million, three hundred fifty-five thousand, two hundred fifty-six".