22556310901 has 2 divisors, whose sum is σ = 22556310902. Its totient is φ = 22556310900.

The previous prime is 22556310871. The next prime is 22556310943. The reversal of 22556310901 is 10901365522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22540518225 + 15792676 = 150135^2 + 3974^2 .

It is a cyclic number.

It is not a de Polignac number, because 22556310901 - 2⁷ = 22556310773 is a prime.

It is a super-2 number, since 2×22556310901² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22556316901) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11278155450 + 11278155451.

It is an arithmetic number, because the mean of its divisors is an integer number (11278155451).

Almost surely, 2^22556310901 is an apocalyptic number.

It is an amenable number.

22556310901 is a deficient number, since it is larger than the sum of its proper divisors (1).

22556310901 is an equidigital number, since it uses as much as digits as its factorization.

22556310901 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16200, while the sum is 34.

The spelling of 22556310901 in words is "twenty-two billion, five hundred fifty-six million, three hundred ten thousand, nine hundred one".