22988155 has 32 divisors (see below), whose sum is σ = 30533760. Its totient is φ = 16558080.

The previous prime is 22988149. The next prime is 22988171. The reversal of 22988155 is 55188922.

It is not a de Polignac number, because 22988155 - 2⁷ = 22988027 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 203379 + ... + 203491.

It is an arithmetic number, because the mean of its divisors is an integer number (954180).

Almost surely, 2^22988155 is an apocalyptic number.

22988155 is a deficient number, since it is larger than the sum of its proper divisors (7545605).

22988155 is a wasteful number, since it uses less digits than its factorization.

22988155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231.

The product of its digits is 57600, while the sum is 40.

The square root of 22988155 is about 4794.5964376577. The cubic root of 22988155 is about 284.3378698856.

The spelling of 22988155 in words is "twenty-two million, nine hundred eighty-eight thousand, one hundred fifty-five".