222315169 has 2 divisors, whose sum is σ = 222315170. Its totient is φ = 222315168.

The previous prime is 222315133. The next prime is 222315187. The reversal of 222315169 is 961513222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 186459025 + 35856144 = 13655^2 + 5988^2 .

It is a cyclic number.

It is not a de Polignac number, because 222315169 - 2²⁷ = 88097441 is a prime.

It is a super-2 number, since 2×222315169² = 98848068734997122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222315169.

It is not a weakly prime, because it can be changed into another prime (222315199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111157584 + 111157585.

It is an arithmetic number, because the mean of its divisors is an integer number (111157585).

Almost surely, 2^222315169 is an apocalyptic number.

It is an amenable number.

222315169 is a deficient number, since it is larger than the sum of its proper divisors (1).

222315169 is an equidigital number, since it uses as much as digits as its factorization.

222315169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 31.

The square root of 222315169 is about 14910.2370537829. The cubic root of 222315169 is about 605.7913002584.

The spelling of 222315169 in words is "two hundred twenty-two million, three hundred fifteen thousand, one hundred sixty-nine".