22452901 has 2 divisors, whose sum is σ = 22452902. Its totient is φ = 22452900.

The previous prime is 22452877. The next prime is 22452907. The reversal of 22452901 is 10925422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11390625 + 11062276 = 3375^2 + 3326^2 .

It is a cyclic number.

It is not a de Polignac number, because 22452901 - 2⁹ = 22452389 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22452907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11226450 + 11226451.

It is an arithmetic number, because the mean of its divisors is an integer number (11226451).

Almost surely, 2^22452901 is an apocalyptic number.

It is an amenable number.

22452901 is a deficient number, since it is larger than the sum of its proper divisors (1).

22452901 is an equidigital number, since it uses as much as digits as its factorization.

22452901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 22452901 is about 4738.4492188901. The cubic root of 22452901 is about 282.1136850284.

The spelling of 22452901 in words is "twenty-two million, four hundred fifty-two thousand, nine hundred one".