22713645 has 16 divisors (see below), whose sum is σ = 38255040. Its totient is φ = 11476224.

The previous prime is 22713623. The next prime is 22713659. The reversal of 22713645 is 54631722.

It is not a de Polignac number, because 22713645 - 2⁸ = 22713389 is a prime.

It is a super-3 number, since 3×22713645³ (a number of 23 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 39564 + ... + 40133.

It is an arithmetic number, because the mean of its divisors is an integer number (2390940).

Almost surely, 2^22713645 is an apocalyptic number.

It is an amenable number.

22713645 is a deficient number, since it is larger than the sum of its proper divisors (15541395).

22713645 is a wasteful number, since it uses less digits than its factorization.

22713645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79724.

The product of its digits is 10080, while the sum is 30.

The square root of 22713645 is about 4765.8834438119. The cubic root of 22713645 is about 283.2015403975.

The spelling of 22713645 in words is "twenty-two million, seven hundred thirteen thousand, six hundred forty-five".