22567913 has 4 divisors (see below), whose sum is σ = 22950480. Its totient is φ = 22185348.

The previous prime is 22567889. The next prime is 22567921. The reversal of 22567913 is 31976522.

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 not a de Polignac number, because 22567913 - 2¹⁶ = 22502377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22567213) 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, 191195 + ... + 191312.

It is an arithmetic number, because the mean of its divisors is an integer number (5737620).

Almost surely, 2^22567913 is an apocalyptic number.

It is an amenable number.

22567913 is a deficient number, since it is larger than the sum of its proper divisors (382567).

22567913 is an equidigital number, since it uses as much as digits as its factorization.

22567913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382566.

The product of its digits is 22680, while the sum is 35.

The square root of 22567913 is about 4750.5697553030. The cubic root of 22567913 is about 282.5945614991.

The spelling of 22567913 in words is "twenty-two million, five hundred sixty-seven thousand, nine hundred thirteen".