22700139 has 16 divisors (see below), whose sum is σ = 37735680. Its totient is φ = 11792160.

The previous prime is 22700131. The next prime is 22700141. The reversal of 22700139 is 93100722.

It is not a de Polignac number, because 22700139 - 2³ = 22700131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22700131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 48904 + ... + 49365.

It is an arithmetic number, because the mean of its divisors is an integer number (2358480).

Almost surely, 2^22700139 is an apocalyptic number.

22700139 is a deficient number, since it is larger than the sum of its proper divisors (15035541).

22700139 is a wasteful number, since it uses less digits than its factorization.

22700139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98290.

The product of its (nonzero) digits is 756, while the sum is 24.

The square root of 22700139 is about 4764.4662870042. The cubic root of 22700139 is about 283.1453967831.

The spelling of 22700139 in words is "twenty-two million, seven hundred thousand, one hundred thirty-nine".