242223169 has 2 divisors, whose sum is σ = 242223170. Its totient is φ = 242223168.

The previous prime is 242223151. The next prime is 242223173. The reversal of 242223169 is 961322242.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 184280625 + 57942544 = 13575^2 + 7612^2 .

It is a cyclic number.

It is not a de Polignac number, because 242223169 - 2⁷ = 242223041 is a prime.

It is a super-2 number, since 2×242223169² = 117344127200805122, 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 242223169.

It is not a weakly prime, because it can be changed into another prime (242223199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121111584 + 121111585.

It is an arithmetic number, because the mean of its divisors is an integer number (121111585).

Almost surely, 2^242223169 is an apocalyptic number.

It is an amenable number.

242223169 is a deficient number, since it is larger than the sum of its proper divisors (1).

242223169 is an equidigital number, since it uses as much as digits as its factorization.

242223169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 242223169 is about 15563.5204565034. The cubic root of 242223169 is about 623.3594684979.

The spelling of 242223169 in words is "two hundred forty-two million, two hundred twenty-three thousand, one hundred sixty-nine".