22008988 has 24 divisors (see below), whose sum is σ = 39266640. Its totient is φ = 10792320.

The previous prime is 22008979. The next prime is 22009003. The reversal of 22008988 is 88980022.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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, 74970 + ... + 75262.

It is an arithmetic number, because the mean of its divisors is an integer number (1636110).

Almost surely, 2^22008988 is an apocalyptic number.

It is an amenable number.

22008988 is a deficient number, since it is larger than the sum of its proper divisors (17257652).

22008988 is a wasteful number, since it uses less digits than its factorization.

22008988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597 (or 595 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 22008988 is about 4691.3737860034. The cubic root of 22008988 is about 280.2420865513.

The spelling of 22008988 in words is "twenty-two million, eight thousand, nine hundred eighty-eight".