22000169 has 2 divisors, whose sum is σ = 22000170. Its totient is φ = 22000168.

The previous prime is 22000151. The next prime is 22000201. The reversal of 22000169 is 96100022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14160169 + 7840000 = 3763^2 + 2800^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22000169 is a prime.

It is a super-2 number, since 2×22000169² = 968014872057122, which contains 22 as substring.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22000169.

It is not a weakly prime, because it can be changed into another prime (22000109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11000084 + 11000085.

It is an arithmetic number, because the mean of its divisors is an integer number (11000085).

Almost surely, 2^22000169 is an apocalyptic number.

It is an amenable number.

22000169 is a deficient number, since it is larger than the sum of its proper divisors (1).

22000169 is an equidigital number, since it uses as much as digits as its factorization.

22000169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 22000169 is about 4690.4337752494. The cubic root of 22000169 is about 280.2046505556.

The spelling of 22000169 in words is "twenty-two million, one hundred sixty-nine", and thus it is an aban number.