22789513 has 2 divisors, whose sum is σ = 22789514. Its totient is φ = 22789512.

The previous prime is 22789511. The next prime is 22789541. The reversal of 22789513 is 31598722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11580409 + 11209104 = 3403^2 + 3348^2 .

It is a cyclic number.

It is not a de Polignac number, because 22789513 - 2¹ = 22789511 is a prime.

Together with 22789511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22789511) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11394756 + 11394757.

It is an arithmetic number, because the mean of its divisors is an integer number (11394757).

Almost surely, 2^22789513 is an apocalyptic number.

It is an amenable number.

22789513 is a deficient number, since it is larger than the sum of its proper divisors (1).

22789513 is an equidigital number, since it uses as much as digits as its factorization.

22789513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 30240, while the sum is 37.

The square root of 22789513 is about 4773.8362979893. The cubic root of 22789513 is about 283.5165060838.

The spelling of 22789513 in words is "twenty-two million, seven hundred eighty-nine thousand, five hundred thirteen".