22867138 has 32 divisors (see below), whose sum is σ = 40930560. Its totient is φ = 9374400.

The previous prime is 22867123. The next prime is 22867139. The reversal of 22867138 is 83176822.

It is a super-2 number, since 2×22867138² = 1045812000622088, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22867097 and 22867106.

It is not an unprimeable number, because it can be changed into a prime (22867139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61120 + ... + 61492.

It is an arithmetic number, because the mean of its divisors is an integer number (1279080).

Almost surely, 2^22867138 is an apocalyptic number.

22867138 is a deficient number, since it is larger than the sum of its proper divisors (18063422).

22867138 is a wasteful number, since it uses less digits than its factorization.

22867138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562.

The product of its digits is 32256, while the sum is 37.

The square root of 22867138 is about 4781.9596401475. The cubic root of 22867138 is about 283.8380432797.

It can be divided in two parts, 22867 and 138, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 22867138 in words is "twenty-two million, eight hundred sixty-seven thousand, one hundred thirty-eight".