22952621 has 2 divisors, whose sum is σ = 22952622. Its totient is φ = 22952620.

The previous prime is 22952609. The next prime is 22952639. The reversal of 22952621 is 12625922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17598025 + 5354596 = 4195^2 + 2314^2 .

It is a cyclic number.

It is not a de Polignac number, because 22952621 - 2⁶ = 22952557 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22952681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11476310 + 11476311.

It is an arithmetic number, because the mean of its divisors is an integer number (11476311).

Almost surely, 2^22952621 is an apocalyptic number.

It is an amenable number.

22952621 is a deficient number, since it is larger than the sum of its proper divisors (1).

22952621 is an equidigital number, since it uses as much as digits as its factorization.

22952621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4320, while the sum is 29.

The square root of 22952621 is about 4790.8893746360. The cubic root of 22952621 is about 284.1912890013.

The spelling of 22952621 in words is "twenty-two million, nine hundred fifty-two thousand, six hundred twenty-one".