22913201 has 2 divisors, whose sum is σ = 22913202. Its totient is φ = 22913200.

The previous prime is 22913179. The next prime is 22913207. The reversal of 22913201 is 10231922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14938225 + 7974976 = 3865^2 + 2824^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22913201 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22913207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11456600 + 11456601.

It is an arithmetic number, because the mean of its divisors is an integer number (11456601).

Almost surely, 2^22913201 is an apocalyptic number.

It is an amenable number.

22913201 is a deficient number, since it is larger than the sum of its proper divisors (1).

22913201 is an equidigital number, since it uses as much as digits as its factorization.

22913201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 22913201 is about 4786.7735480175. The cubic root of 22913201 is about 284.0285009088.

The spelling of 22913201 in words is "twenty-two million, nine hundred thirteen thousand, two hundred one".