22037168 has 20 divisors (see below), whose sum is σ = 45209160. Its totient is φ = 10370304.

The previous prime is 22037143. The next prime is 22037173. The reversal of 22037168 is 86173022.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22037168.

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, 40238 + ... + 40781.

It is an arithmetic number, because the mean of its divisors is an integer number (2260458).

Almost surely, 2^22037168 is an apocalyptic number.

It is an amenable number.

22037168 is an abundant number, since it is smaller than the sum of its proper divisors (23171992).

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

22037168 is a wasteful number, since it uses less digits than its factorization.

22037168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81044 (or 81038 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 29.

The square root of 22037168 is about 4694.3762098920. The cubic root of 22037168 is about 280.3616415545.

The spelling of 22037168 in words is "twenty-two million, thirty-seven thousand, one hundred sixty-eight".