22596913 has 2 divisors, whose sum is σ = 22596914. Its totient is φ = 22596912.

The previous prime is 22596911. The next prime is 22596929. The reversal of 22596913 is 31969522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22165264 + 431649 = 4708^2 + 657^2 .

It is a cyclic number.

It is not a de Polignac number, because 22596913 - 2¹ = 22596911 is a prime.

Together with 22596911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (22596911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11298456 + 11298457.

It is an arithmetic number, because the mean of its divisors is an integer number (11298457).

Almost surely, 2^22596913 is an apocalyptic number.

It is an amenable number.

22596913 is a deficient number, since it is larger than the sum of its proper divisors (1).

22596913 is an equidigital number, since it uses as much as digits as its factorization.

22596913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 29160, while the sum is 37.

The square root of 22596913 is about 4753.6210408488. The cubic root of 22596913 is about 282.7155553258.

The spelling of 22596913 in words is "twenty-two million, five hundred ninety-six thousand, nine hundred thirteen".