422242169 has 2 divisors, whose sum is σ = 422242170. Its totient is φ = 422242168.

The previous prime is 422242157. The next prime is 422242181. The reversal of 422242169 is 961242224.

It is a balanced prime because it is at equal distance from previous prime (422242157) and next prime (422242181).

It can be written as a sum of positive squares in only one way, i.e., 403206400 + 19035769 = 20080^2 + 4363^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-422242169 is a prime.

It is a super-2 number, since 2×422242169² = 356576898563649122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422242109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211121084 + 211121085.

It is an arithmetic number, because the mean of its divisors is an integer number (211121085).

Almost surely, 2^422242169 is an apocalyptic number.

It is an amenable number.

422242169 is a deficient number, since it is larger than the sum of its proper divisors (1).

422242169 is an equidigital number, since it uses as much as digits as its factorization.

422242169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 32.

The square root of 422242169 is about 20548.5320400266. The cubic root of 422242169 is about 750.2175185378.

The spelling of 422242169 in words is "four hundred twenty-two million, two hundred forty-two thousand, one hundred sixty-nine".