22169990317 has 2 divisors, whose sum is σ = 22169990318. Its totient is φ = 22169990316.

The previous prime is 22169990261. The next prime is 22169990347. The reversal of 22169990317 is 71309996122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15094825321 + 7075164996 = 122861^2 + 84114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22169990317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22169990347) 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, 11084995158 + 11084995159.

It is an arithmetic number, because the mean of its divisors is an integer number (11084995159).

Almost surely, 2^22169990317 is an apocalyptic number.

It is an amenable number.

22169990317 is a deficient number, since it is larger than the sum of its proper divisors (1).

22169990317 is an equidigital number, since it uses as much as digits as its factorization.

22169990317 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 367416, while the sum is 49.

The spelling of 22169990317 in words is "twenty-two billion, one hundred sixty-nine million, nine hundred ninety thousand, three hundred seventeen".