22243020169 has 2 divisors, whose sum is σ = 22243020170. Its totient is φ = 22243020168.

The previous prime is 22243020161. The next prime is 22243020197. The reversal of 22243020169 is 96102034222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21834495225 + 408524944 = 147765^2 + 20212^2 .

It is a cyclic number.

It is not a de Polignac number, because 22243020169 - 2³ = 22243020161 is a prime.

It is a super-2 number, since 2×22243020169² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 22243020169.

It is not a weakly prime, because it can be changed into another prime (22243020161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11121510084 + 11121510085.

It is an arithmetic number, because the mean of its divisors is an integer number (11121510085).

Almost surely, 2^22243020169 is an apocalyptic number.

It is an amenable number.

22243020169 is a deficient number, since it is larger than the sum of its proper divisors (1).

22243020169 is an equidigital number, since it uses as much as digits as its factorization.

22243020169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 31.

The spelling of 22243020169 in words is "twenty-two billion, two hundred forty-three million, twenty thousand, one hundred sixty-nine".