22612901 has 2 divisors, whose sum is σ = 22612902. Its totient is φ = 22612900.

The previous prime is 22612897. The next prime is 22612903. The reversal of 22612901 is 10921622.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16008001 + 6604900 = 4001^2 + 2570^2 .

It is a cyclic number.

It is not a de Polignac number, because 22612901 - 2² = 22612897 is a prime.

It is a super-2 number, since 2×22612901² = 1022686583271602, which contains 22 as substring.

Together with 22612903, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22612903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11306450 + 11306451.

It is an arithmetic number, because the mean of its divisors is an integer number (11306451).

Almost surely, 2^22612901 is an apocalyptic number.

It is an amenable number.

22612901 is a deficient number, since it is larger than the sum of its proper divisors (1).

22612901 is an equidigital number, since it uses as much as digits as its factorization.

22612901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 22612901 is about 4755.3024088905. The cubic root of 22612901 is about 282.7822162113.

The spelling of 22612901 in words is "twenty-two million, six hundred twelve thousand, nine hundred one".