422112961 has 2 divisors, whose sum is σ = 422112962. Its totient is φ = 422112960.

The previous prime is 422112953. The next prime is 422112973. The reversal of 422112961 is 169211224.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 290873025 + 131239936 = 17055^2 + 11456^2 .

It is a cyclic number.

It is not a de Polignac number, because 422112961 - 2³ = 422112953 is a prime.

It is not a weakly prime, because it can be changed into another prime (422112161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211056480 + 211056481.

It is an arithmetic number, because the mean of its divisors is an integer number (211056481).

Almost surely, 2^422112961 is an apocalyptic number.

It is an amenable number.

422112961 is a deficient number, since it is larger than the sum of its proper divisors (1).

422112961 is an equidigital number, since it uses as much as digits as its factorization.

422112961 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 28.

The square root of 422112961 is about 20545.3878279287. The cubic root of 422112961 is about 750.1409874210.

The spelling of 422112961 in words is "four hundred twenty-two million, one hundred twelve thousand, nine hundred sixty-one".