22575613 has 2 divisors, whose sum is σ = 22575614. Its totient is φ = 22575612.

The previous prime is 22575611. The next prime is 22575649. The reversal of 22575613 is 31657522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18992164 + 3583449 = 4358^2 + 1893^2 .

It is a cyclic number.

It is not a de Polignac number, because 22575613 - 2¹ = 22575611 is a prime.

Together with 22575611, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22575611) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11287806 + 11287807.

It is an arithmetic number, because the mean of its divisors is an integer number (11287807).

Almost surely, 2^22575613 is an apocalyptic number.

It is an amenable number.

22575613 is a deficient number, since it is larger than the sum of its proper divisors (1).

22575613 is an equidigital number, since it uses as much as digits as its factorization.

22575613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12600, while the sum is 31.

The square root of 22575613 is about 4751.3801152928. The cubic root of 22575613 is about 282.6266975484.

The spelling of 22575613 in words is "twenty-two million, five hundred seventy-five thousand, six hundred thirteen".