22139315 has 16 divisors (see below), whose sum is σ = 29085696. Its totient is φ = 16044000.

The previous prime is 22139311. The next prime is 22139323. The reversal of 22139315 is 51393122.

It is not a de Polignac number, because 22139315 - 2² = 22139311 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22139311) 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, 20540 + ... + 21590.

It is an arithmetic number, because the mean of its divisors is an integer number (1817856).

Almost surely, 2^22139315 is an apocalyptic number.

22139315 is a deficient number, since it is larger than the sum of its proper divisors (6946381).

22139315 is a wasteful number, since it uses less digits than its factorization.

22139315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1450.

The product of its digits is 1620, while the sum is 26.

The square root of 22139315 is about 4705.2433518363. The cubic root of 22139315 is about 280.7941527598.

The spelling of 22139315 in words is "twenty-two million, one hundred thirty-nine thousand, three hundred fifteen".