22931113 has 4 divisors (see below), whose sum is σ = 24280020. Its totient is φ = 21582208.

The previous prime is 22931099. The next prime is 22931137. The reversal of 22931113 is 31113922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13271449 + 9659664 = 3643^2 + 3108^2 .

It is a cyclic number.

It is not a de Polignac number, because 22931113 - 2²¹ = 20833961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22931143) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 674428 + ... + 674461.

It is an arithmetic number, because the mean of its divisors is an integer number (6070005).

Almost surely, 2^22931113 is an apocalyptic number.

It is an amenable number.

22931113 is a deficient number, since it is larger than the sum of its proper divisors (1348907).

22931113 is a wasteful number, since it uses less digits than its factorization.

22931113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1348906.

The product of its digits is 324, while the sum is 22.

The square root of 22931113 is about 4788.6441713704. The cubic root of 22931113 is about 284.1024930933.

The spelling of 22931113 in words is "twenty-two million, nine hundred thirty-one thousand, one hundred thirteen".