22112139 has 16 divisors (see below), whose sum is σ = 34076160. Its totient is φ = 12492480.

The previous prime is 22112107. The next prime is 22112141. The reversal of 22112139 is 93121122.

It is not a de Polignac number, because 22112139 - 2⁵ = 22112107 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (22112149) 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, 4047 + ... + 7784.

It is an arithmetic number, because the mean of its divisors is an integer number (2129760).

Almost surely, 2^22112139 is an apocalyptic number.

22112139 is a deficient number, since it is larger than the sum of its proper divisors (11964021).

22112139 is a wasteful number, since it uses less digits than its factorization.

22112139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11930.

The product of its digits is 216, while the sum is 21.

The square root of 22112139 is about 4702.3546229522. The cubic root of 22112139 is about 280.6792141492.

The spelling of 22112139 in words is "twenty-two million, one hundred twelve thousand, one hundred thirty-nine".