22888138 has 32 divisors (see below), whose sum is σ = 42908544. Its totient is φ = 8914752.

The previous prime is 22888111. The next prime is 22888153. The reversal of 22888138 is 83188822.

It is a super-2 number, since 2×22888138² = 1047733722214088, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22888138.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11256 + ... + 13132.

It is an arithmetic number, because the mean of its divisors is an integer number (1340892).

Almost surely, 2^22888138 is an apocalyptic number.

22888138 is a deficient number, since it is larger than the sum of its proper divisors (20020406).

22888138 is a wasteful number, since it uses less digits than its factorization.

22888138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1966.

The product of its digits is 49152, while the sum is 40.

The square root of 22888138 is about 4784.1548887970. The cubic root of 22888138 is about 283.9249041016.

The spelling of 22888138 in words is "twenty-two million, eight hundred eighty-eight thousand, one hundred thirty-eight".