22955868 has 72 divisors (see below), whose sum is σ = 63068096. Its totient is φ = 6998400.

The previous prime is 22955861. The next prime is 22955893. The reversal of 22955868 is 86855922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22955861) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 84573 + ... + 84843.

Almost surely, 2^22955868 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 22955868, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31534048).

22955868 is an abundant number, since it is smaller than the sum of its proper divisors (40112228).

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

22955868 is a wasteful number, since it uses less digits than its factorization.

22955868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 470 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 22955868 is about 4791.2282350145. The cubic root of 22955868 is about 284.2046894404.

The spelling of 22955868 in words is "twenty-two million, nine hundred fifty-five thousand, eight hundred sixty-eight".