22560918 has 16 divisors (see below), whose sum is σ = 45168816. Its totient is φ = 7512480.

The previous prime is 22560917. The next prime is 22560919. The reversal of 22560918 is 81906522.

It is an interprime number because it is at equal distance from previous prime (22560917) and next prime (22560919).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22560913) 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, 9048 + ... + 11268.

It is an arithmetic number, because the mean of its divisors is an integer number (2823051).

Almost surely, 2^22560918 is an apocalyptic number.

22560918 is an abundant number, since it is smaller than the sum of its proper divisors (22607898).

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

22560918 is a wasteful number, since it uses less digits than its factorization.

22560918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3919.

The product of its (nonzero) digits is 8640, while the sum is 33.

The square root of 22560918 is about 4749.8334707651. The cubic root of 22560918 is about 282.5653614393.

The spelling of 22560918 in words is "twenty-two million, five hundred sixty thousand, nine hundred eighteen".