22125188 has 12 divisors (see below), whose sum is σ = 39354252. Its totient is φ = 10881120.

The previous prime is 22125179. The next prime is 22125197. The reversal of 22125188 is 88152122.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (22125179) and next prime (22125197).

It can be written as a sum of positive squares in 2 ways, for example, as 521284 + 21603904 = 722^2 + 4648^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22125188.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45095 + ... + 45582.

It is an arithmetic number, because the mean of its divisors is an integer number (3279521).

Almost surely, 2^22125188 is an apocalyptic number.

It is an amenable number.

22125188 is a deficient number, since it is larger than the sum of its proper divisors (17229064).

22125188 is a wasteful number, since it uses less digits than its factorization.

22125188 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90742 (or 90740 counting only the distinct ones).

The product of its digits is 2560, while the sum is 29.

The square root of 22125188 is about 4703.7419146888. The cubic root of 22125188 is about 280.7344155454.

The spelling of 22125188 in words is "twenty-two million, one hundred twenty-five thousand, one hundred eighty-eight".