22589513 has 2 divisors, whose sum is σ = 22589514. Its totient is φ = 22589512.

The previous prime is 22589503. The next prime is 22589527. The reversal of 22589513 is 31598522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13053769 + 9535744 = 3613^2 + 3088^2 .

It is a cyclic number.

It is not a de Polignac number, because 22589513 - 2¹⁴ = 22573129 is a prime.

It is not a weakly prime, because it can be changed into another prime (22589503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11294756 + 11294757.

It is an arithmetic number, because the mean of its divisors is an integer number (11294757).

Almost surely, 2^22589513 is an apocalyptic number.

It is an amenable number.

22589513 is a deficient number, since it is larger than the sum of its proper divisors (1).

22589513 is an equidigital number, since it uses as much as digits as its factorization.

22589513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21600, while the sum is 35.

The square root of 22589513 is about 4752.8426231046. The cubic root of 22589513 is about 282.6846908810.

Subtracting 22589513 from its reverse (31598522), we obtain a palindrome (9009009).

The spelling of 22589513 in words is "twenty-two million, five hundred eighty-nine thousand, five hundred thirteen".