22365888 has 56 divisors (see below), whose sum is σ = 62301120. Its totient is φ = 7061760.

The previous prime is 22365887. The next prime is 22365899. The reversal of 22365888 is 88856322.

It is not an unprimeable number, because it can be changed into a prime (22365887) 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, 583 + ... + 6713.

It is an arithmetic number, because the mean of its divisors is an integer number (1112520).

Almost surely, 2^22365888 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 22365888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31150560).

22365888 is an abundant number, since it is smaller than the sum of its proper divisors (39935232).

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

22365888 is a wasteful number, since it uses less digits than its factorization.

22365888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6165 (or 6155 counting only the distinct ones).

The product of its digits is 184320, while the sum is 42.

The square root of 22365888 is about 4729.2587156974. The cubic root of 22365888 is about 281.7487828612.

The spelling of 22365888 in words is "twenty-two million, three hundred sixty-five thousand, eight hundred eighty-eight".