22902988 has 6 divisors (see below), whose sum is σ = 40080236. Its totient is φ = 11451492.

The previous prime is 22902983. The next prime is 22902991. The reversal of 22902988 is 88920922.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22902988.

It is not an unprimeable number, because it can be changed into a prime (22902983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2862870 + ... + 2862877.

Almost surely, 2^22902988 is an apocalyptic number.

It is an amenable number.

22902988 is a deficient number, since it is larger than the sum of its proper divisors (17177248).

22902988 is a wasteful number, since it uses less digits than its factorization.

22902988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5725751 (or 5725749 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 40.

The square root of 22902988 is about 4785.7066353883. The cubic root of 22902988 is about 283.9862950472.

The spelling of 22902988 in words is "twenty-two million, nine hundred two thousand, nine hundred eighty-eight".