182222797217 has 2 divisors, whose sum is σ = 182222797218. Its totient is φ = 182222797216.

The previous prime is 182222797111. The next prime is 182222797243. The reversal of 182222797217 is 712797222281.

182222797217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 181888602256 + 334194961 = 426484^2 + 18281^2 .

It is a cyclic number.

It is not a de Polignac number, because 182222797217 - 2⁸ = 182222796961 is a prime.

It is not a weakly prime, because it can be changed into another prime (182222797517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91111398608 + 91111398609.

It is an arithmetic number, because the mean of its divisors is an integer number (91111398609).

Almost surely, 2^182222797217 is an apocalyptic number.

It is an amenable number.

182222797217 is a deficient number, since it is larger than the sum of its proper divisors (1).

182222797217 is an equidigital number, since it uses as much as digits as its factorization.

182222797217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 790272, while the sum is 50.

The spelling of 182222797217 in words is "one hundred eighty-two billion, two hundred twenty-two million, seven hundred ninety-seven thousand, two hundred seventeen".