22713539 has 8 divisors (see below), whose sum is σ = 23149152. Its totient is φ = 22281280.

The previous prime is 22713499. The next prime is 22713541. The reversal of 22713539 is 93531722.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22713539 - 2⁸ = 22713283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22713239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15857 + ... + 17229.

It is an arithmetic number, because the mean of its divisors is an integer number (2893644).

Almost surely, 2^22713539 is an apocalyptic number.

22713539 is a deficient number, since it is larger than the sum of its proper divisors (435613).

22713539 is a wasteful number, since it uses less digits than its factorization.

22713539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1677.

The product of its digits is 11340, while the sum is 32.

The square root of 22713539 is about 4765.8723230905. The cubic root of 22713539 is about 283.2010998486.

The spelling of 22713539 in words is "twenty-two million, seven hundred thirteen thousand, five hundred thirty-nine".