22043139 has 16 divisors (see below), whose sum is σ = 30465024. Its totient is φ = 14162400.

The previous prime is 22043137. The next prime is 22043159. The reversal of 22043139 is 93134022.

It is not a de Polignac number, because 22043139 - 2¹ = 22043137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22043137) 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, 38872 + ... + 39434.

It is an arithmetic number, because the mean of its divisors is an integer number (1904064).

Almost surely, 2^22043139 is an apocalyptic number.

22043139 is a deficient number, since it is larger than the sum of its proper divisors (8421885).

22043139 is a wasteful number, since it uses less digits than its factorization.

22043139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1018.

The product of its (nonzero) digits is 1296, while the sum is 24.

The square root of 22043139 is about 4695.0121405594. The cubic root of 22043139 is about 280.3869607212.

The spelling of 22043139 in words is "twenty-two million, forty-three thousand, one hundred thirty-nine".