22908901 has 2 divisors, whose sum is σ = 22908902. Its totient is φ = 22908900.

The previous prime is 22908871. The next prime is 22908929. The reversal of 22908901 is 10980922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15992001 + 6916900 = 3999^2 + 2630^2 .

It is a cyclic number.

It is not a de Polignac number, because 22908901 - 2¹¹ = 22906853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22908961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11454450 + 11454451.

It is an arithmetic number, because the mean of its divisors is an integer number (11454451).

Almost surely, 2^22908901 is an apocalyptic number.

It is an amenable number.

22908901 is a deficient number, since it is larger than the sum of its proper divisors (1).

22908901 is an equidigital number, since it uses as much as digits as its factorization.

22908901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 22908901 is about 4786.3243726267. The cubic root of 22908901 is about 284.0107324186.

The spelling of 22908901 in words is "twenty-two million, nine hundred eight thousand, nine hundred one".