22089256 has 32 divisors (see below), whose sum is σ = 50120640. Its totient is φ = 8909568.

The previous prime is 22089253. The next prime is 22089281. The reversal of 22089256 is 65298022.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (22089251) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10650 + ... + 12553.

It is an arithmetic number, because the mean of its divisors is an integer number (1566270).

Almost surely, 2^22089256 is an apocalyptic number.

It is an amenable number.

22089256 is an abundant number, since it is smaller than the sum of its proper divisors (28031384).

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

22089256 is a wasteful number, since it uses less digits than its factorization.

22089256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23233 (or 23229 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 22089256 is about 4699.9208503974. The cubic root of 22089256 is about 280.5823593659.

The spelling of 22089256 in words is "twenty-two million, eighty-nine thousand, two hundred fifty-six".