22966913 has 2 divisors, whose sum is σ = 22966914. Its totient is φ = 22966912.

The previous prime is 22966883. The next prime is 22966943. The reversal of 22966913 is 31966922.

It is a balanced prime because it is at equal distance from previous prime (22966883) and next prime (22966943).

It can be written as a sum of positive squares in only one way, i.e., 16581184 + 6385729 = 4072^2 + 2527^2 .

It is a cyclic number.

It is not a de Polignac number, because 22966913 - 2⁶ = 22966849 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22966943) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11483456 + 11483457.

It is an arithmetic number, because the mean of its divisors is an integer number (11483457).

Almost surely, 2^22966913 is an apocalyptic number.

It is an amenable number.

22966913 is a deficient number, since it is larger than the sum of its proper divisors (1).

22966913 is an equidigital number, since it uses as much as digits as its factorization.

22966913 is an evil number, because the sum of its binary digits is even.

The product of its digits is 34992, while the sum is 38.

The square root of 22966913 is about 4792.3807236070. The cubic root of 22966913 is about 284.2502629367.

Subtracting 22966913 from its reverse (31966922), we obtain a palindrome (9000009).

The spelling of 22966913 in words is "twenty-two million, nine hundred sixty-six thousand, nine hundred thirteen".