22653913 has 4 divisors (see below), whose sum is σ = 22669840. Its totient is φ = 22637988.

The previous prime is 22653907. The next prime is 22653929. The reversal of 22653913 is 31935622.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22653913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22653713) 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, 5595 + ... + 8752.

It is an arithmetic number, because the mean of its divisors is an integer number (5667460).

Almost surely, 2^22653913 is an apocalyptic number.

It is an amenable number.

22653913 is a deficient number, since it is larger than the sum of its proper divisors (15927).

22653913 is a wasteful number, since it uses less digits than its factorization.

22653913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15926.

The product of its digits is 9720, while the sum is 31.

The square root of 22653913 is about 4759.6126943271. The cubic root of 22653913 is about 282.9530694194.

The spelling of 22653913 in words is "twenty-two million, six hundred fifty-three thousand, nine hundred thirteen".