22169117 has 2 divisors, whose sum is σ = 22169118. Its totient is φ = 22169116.

The previous prime is 22169113. The next prime is 22169149. The reversal of 22169117 is 71196122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20376196 + 1792921 = 4514^2 + 1339^2 .

It is a cyclic number.

It is not a de Polignac number, because 22169117 - 2² = 22169113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22169117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22169113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11084558 + 11084559.

It is an arithmetic number, because the mean of its divisors is an integer number (11084559).

Almost surely, 2^22169117 is an apocalyptic number.

It is an amenable number.

22169117 is a deficient number, since it is larger than the sum of its proper divisors (1).

22169117 is an equidigital number, since it uses as much as digits as its factorization.

22169117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512, while the sum is 29.

The square root of 22169117 is about 4708.4091793301. The cubic root of 22169117 is about 280.9200897380.

The spelling of 22169117 in words is "twenty-two million, one hundred sixty-nine thousand, one hundred seventeen".