222522169 has 2 divisors, whose sum is σ = 222522170. Its totient is φ = 222522168.

The previous prime is 222522151. The next prime is 222522173. The reversal of 222522169 is 961225222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 144288144 + 78234025 = 12012^2 + 8845^2 .

It is a cyclic number.

It is not a de Polignac number, because 222522169 - 2⁵ = 222522137 is a prime.

It is a super-2 number, since 2×222522169² = 99032231392929122, 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 222522169.

It is not a weakly prime, because it can be changed into another prime (222522269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111261084 + 111261085.

It is an arithmetic number, because the mean of its divisors is an integer number (111261085).

Almost surely, 2^222522169 is an apocalyptic number.

It is an amenable number.

222522169 is a deficient number, since it is larger than the sum of its proper divisors (1).

222522169 is an equidigital number, since it uses as much as digits as its factorization.

222522169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8640, while the sum is 31.

The square root of 222522169 is about 14917.1769782355. The cubic root of 222522169 is about 605.9792614904.

The spelling of 222522169 in words is "two hundred twenty-two million, five hundred twenty-two thousand, one hundred sixty-nine".