22652513 has 4 divisors (see below), whose sum is σ = 24395028. Its totient is φ = 20910000.

The previous prime is 22652501. The next prime is 22652521. The reversal of 22652513 is 31525622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4231249 + 18421264 = 2057^2 + 4292^2 .

It is a cyclic number.

It is not a de Polignac number, because 22652513 - 2⁸ = 22652257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22652573) 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, 871238 + ... + 871263.

It is an arithmetic number, because the mean of its divisors is an integer number (6098757).

Almost surely, 2^22652513 is an apocalyptic number.

It is an amenable number.

22652513 is a deficient number, since it is larger than the sum of its proper divisors (1742515).

22652513 is a wasteful number, since it uses less digits than its factorization.

22652513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1742514.

The product of its digits is 3600, while the sum is 26.

The square root of 22652513 is about 4759.4656212646. The cubic root of 22652513 is about 282.9472405154.

The spelling of 22652513 in words is "twenty-two million, six hundred fifty-two thousand, five hundred thirteen".