22140339 has 16 divisors (see below), whose sum is σ = 33465600. Its totient is φ = 12907296.

The previous prime is 22140323. The next prime is 22140343. The reversal of 22140339 is 93304122.

It is not a de Polignac number, because 22140339 - 2⁴ = 22140323 is a prime.

It is a super-2 number, since 2×22140339² = 980389222069842, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22140439) 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, 14199 + ... + 15680.

It is an arithmetic number, because the mean of its divisors is an integer number (2091600).

Almost surely, 2^22140339 is an apocalyptic number.

22140339 is a deficient number, since it is larger than the sum of its proper divisors (11325261).

22140339 is a wasteful number, since it uses less digits than its factorization.

22140339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29914.

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

The square root of 22140339 is about 4705.3521653538. The cubic root of 22140339 is about 280.7984818426.

The spelling of 22140339 in words is "twenty-two million, one hundred forty thousand, three hundred thirty-nine".