22088256 has 56 divisors (see below), whose sum is σ = 60472320. Its totient is φ = 7107072.

The previous prime is 22088233. The next prime is 22088263. The reversal of 22088256 is 65288022.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3585 + ... + 7551.

Almost surely, 2^22088256 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22088256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30236160).

22088256 is an abundant number, since it is smaller than the sum of its proper divisors (38384064).

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

22088256 is a wasteful number, since it uses less digits than its factorization.

22088256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4011 (or 4001 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 33.

The square root of 22088256 is about 4699.8144644230. The cubic root of 22088256 is about 280.5781252321.

The spelling of 22088256 in words is "twenty-two million, eighty-eight thousand, two hundred fifty-six".