22036665442177 has 2 divisors, whose sum is σ = 22036665442178. Its totient is φ = 22036665442176.

The previous prime is 22036665442153. The next prime is 22036665442219. The reversal of 22036665442177 is 77124456663022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11509761900816 + 10526903541361 = 3392604^2 + 3244519^2 .

It is a cyclic number.

It is not a de Polignac number, because 22036665442177 - 2³⁵ = 22002305703809 is a prime.

It is a super-2 number, since 2×22036665442177² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22036665742177) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11018332721088 + 11018332721089.

It is an arithmetic number, because the mean of its divisors is an integer number (11018332721089).

Almost surely, 2^{22036665442177} is an apocalyptic number.

It is an amenable number.

22036665442177 is a deficient number, since it is larger than the sum of its proper divisors (1).

22036665442177 is an equidigital number, since it uses as much as digits as its factorization.

22036665442177 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20321280, while the sum is 55.

The spelling of 22036665442177 in words is "twenty-two trillion, thirty-six billion, six hundred sixty-five million, four hundred forty-two thousand, one hundred seventy-seven".