22567613 has 4 divisors (see below), whose sum is σ = 22640028. Its totient is φ = 22495200.

The previous prime is 22567607. The next prime is 22567627. The reversal of 22567613 is 31676522.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31676522 = 2 ⋅15838261.

It can be written as a sum of positive squares in 2 ways, for example, as 1435204 + 21132409 = 1198^2 + 4597^2 .

It is a cyclic number.

It is not a de Polignac number, because 22567613 - 2⁶ = 22567549 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22567613.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22567603) 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, 35738 + ... + 36363.

It is an arithmetic number, because the mean of its divisors is an integer number (5660007).

Almost surely, 2^22567613 is an apocalyptic number.

It is an amenable number.

22567613 is a deficient number, since it is larger than the sum of its proper divisors (72415).

22567613 is an equidigital number, since it uses as much as digits as its factorization.

22567613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72414.

The product of its digits is 15120, while the sum is 32.

The square root of 22567613 is about 4750.5381800381. The cubic root of 22567613 is about 282.5933092973.

The spelling of 22567613 in words is "twenty-two million, five hundred sixty-seven thousand, six hundred thirteen".