22725888 has 72 divisors (see below), whose sum is σ = 61221888. Its totient is φ = 7483392.

The previous prime is 22725869. The next prime is 22725929. The reversal of 22725888 is 88852722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97420 + ... + 97652.

It is an arithmetic number, because the mean of its divisors is an integer number (850304).

Almost surely, 2^22725888 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 22725888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30610944).

22725888 is an abundant number, since it is smaller than the sum of its proper divisors (38496000).

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

22725888 is a wasteful number, since it uses less digits than its factorization.

22725888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379 (or 365 counting only the distinct ones).

The product of its digits is 143360, while the sum is 42.

The square root of 22725888 is about 4767.1677125941. The cubic root of 22725888 is about 283.2524145700.

It can be divided in two parts, 2 and 2725888, that multiplied together give a cube (5451776 = 176³).

The spelling of 22725888 in words is "twenty-two million, seven hundred twenty-five thousand, eight hundred eighty-eight".