22556610451201 has 2 divisors, whose sum is σ = 22556610451202. Its totient is φ = 22556610451200.

The previous prime is 22556610451163. The next prime is 22556610451237. The reversal of 22556610451201 is 10215401665522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22556078456976 + 531994225 = 4749324^2 + 23065^2 .

It is a cyclic number.

It is not a de Polignac number, because 22556610451201 - 2⁷ = 22556610451073 is a prime.

It is not a weakly prime, because it can be changed into another prime (22556610451241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11278305225600 + 11278305225601.

It is an arithmetic number, because the mean of its divisors is an integer number (11278305225601).

Almost surely, 2^{22556610451201} is an apocalyptic number.

It is an amenable number.

22556610451201 is a deficient number, since it is larger than the sum of its proper divisors (1).

22556610451201 is an equidigital number, since it uses as much as digits as its factorization.

22556610451201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 22556610451201 in words is "twenty-two trillion, five hundred fifty-six billion, six hundred ten million, four hundred fifty-one thousand, two hundred one".