222122889917 has 2 divisors, whose sum is σ = 222122889918. Its totient is φ = 222122889916.

The previous prime is 222122889907. The next prime is 222122889941. The reversal of 222122889917 is 719988221222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 147583515556 + 74539374361 = 384166^2 + 273019^2 .

It is a cyclic number.

It is not a de Polignac number, because 222122889917 - 2²⁰ = 222121841341 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222122889907) 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, 111061444958 + 111061444959.

It is an arithmetic number, because the mean of its divisors is an integer number (111061444959).

Almost surely, 2^222122889917 is an apocalyptic number.

It is an amenable number.

222122889917 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122889917 is an equidigital number, since it uses as much as digits as its factorization.

222122889917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1161216, while the sum is 53.

The spelling of 222122889917 in words is "two hundred twenty-two billion, one hundred twenty-two million, eight hundred eighty-nine thousand, nine hundred seventeen".