222436169 has 2 divisors, whose sum is σ = 222436170. Its totient is φ = 222436168.

The previous prime is 222436163. The next prime is 222436199. The reversal of 222436169 is 961634222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 125708944 + 96727225 = 11212^2 + 9835^2 .

It is a cyclic number.

It is not a de Polignac number, because 222436169 - 2¹⁶ = 222370633 is a prime.

It is a super-2 number, since 2×222436169² = 98955698558793122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (222436163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111218084 + 111218085.

It is an arithmetic number, because the mean of its divisors is an integer number (111218085).

Almost surely, 2^222436169 is an apocalyptic number.

It is an amenable number.

222436169 is a deficient number, since it is larger than the sum of its proper divisors (1).

222436169 is an equidigital number, since it uses as much as digits as its factorization.

222436169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 31104, while the sum is 35.

The square root of 222436169 is about 14914.2941167190. The cubic root of 222436169 is about 605.9011854770.

The spelling of 222436169 in words is "two hundred twenty-two million, four hundred thirty-six thousand, one hundred sixty-nine".