22028976 has 40 divisors (see below), whose sum is σ = 63232560. Its totient is φ = 7342848.

The previous prime is 22028971. The next prime is 22028977. The reversal of 22028976 is 67982022.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22028976.

It is not an unprimeable number, because it can be changed into a prime (22028971) 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, 25065 + ... + 25928.

It is an arithmetic number, because the mean of its divisors is an integer number (1580814).

Almost surely, 2^22028976 is an apocalyptic number.

It is an amenable number.

22028976 is an abundant number, since it is smaller than the sum of its proper divisors (41203584).

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

22028976 is a wasteful number, since it uses less digits than its factorization.

22028976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51010 (or 50998 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 22028976 is about 4693.5035953965. The cubic root of 22028976 is about 280.3268971140.

The spelling of 22028976 in words is "twenty-two million, twenty-eight thousand, nine hundred seventy-six".