422124979 has 2 divisors, whose sum is σ = 422124980. Its totient is φ = 422124978.

The previous prime is 422124961. The next prime is 422125007. The reversal of 422124979 is 979421224.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422124979 - 2¹¹ = 422122931 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (422124779) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211062489 + 211062490.

It is an arithmetic number, because the mean of its divisors is an integer number (211062490).

Almost surely, 2^422124979 is an apocalyptic number.

422124979 is a deficient number, since it is larger than the sum of its proper divisors (1).

422124979 is an equidigital number, since it uses as much as digits as its factorization.

422124979 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 40.

The square root of 422124979 is about 20545.6803002480. The cubic root of 422124979 is about 750.1481064544.

The spelling of 422124979 in words is "four hundred twenty-two million, one hundred twenty-four thousand, nine hundred seventy-nine".