222042240269 has 2 divisors, whose sum is σ = 222042240270. Its totient is φ = 222042240268.

The previous prime is 222042240221. The next prime is 222042240293. The reversal of 222042240269 is 962042240222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 140128938244 + 81913302025 = 374338^2 + 286205^2 .

It is a cyclic number.

It is not a de Polignac number, because 222042240269 - 2³⁶ = 153322763533 is a prime.

It is a super-2 number, since 2×222042240269² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222042240169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111021120134 + 111021120135.

It is an arithmetic number, because the mean of its divisors is an integer number (111021120135).

Almost surely, 2^222042240269 is an apocalyptic number.

It is an amenable number.

222042240269 is a deficient number, since it is larger than the sum of its proper divisors (1).

222042240269 is an equidigital number, since it uses as much as digits as its factorization.

222042240269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 55296, while the sum is 35.

The spelling of 222042240269 in words is "two hundred twenty-two billion, forty-two million, two hundred forty thousand, two hundred sixty-nine".