22988190 has 16 divisors (see below), whose sum is σ = 55171728. Its totient is φ = 6130176.

The previous prime is 22988179. The next prime is 22988191. The reversal of 22988190 is 9188922.

It is a super-2 number, since 2×22988190² = 1056913758952200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22988191) 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, 383107 + ... + 383166.

It is an arithmetic number, because the mean of its divisors is an integer number (3448233).

Almost surely, 2^22988190 is an apocalyptic number.

22988190 is an abundant number, since it is smaller than the sum of its proper divisors (32183538).

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

22988190 is a wasteful number, since it uses less digits than its factorization.

22988190 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 766283.

The product of its (nonzero) digits is 20736, while the sum is 39.

The square root of 22988190 is about 4794.6000875985. The cubic root of 22988190 is about 284.3380141891.

The spelling of 22988190 in words is "twenty-two million, nine hundred eighty-eight thousand, one hundred ninety".