422413679 has 2 divisors, whose sum is σ = 422413680. Its totient is φ = 422413678.

The previous prime is 422413601. The next prime is 422413721. The reversal of 422413679 is 976314224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422413679 - 2²⁰ = 421365103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422413279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211206839 + 211206840.

It is an arithmetic number, because the mean of its divisors is an integer number (211206840).

Almost surely, 2^422413679 is an apocalyptic number.

422413679 is a deficient number, since it is larger than the sum of its proper divisors (1).

422413679 is an equidigital number, since it uses as much as digits as its factorization.

422413679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 38.

The square root of 422413679 is about 20552.7049071406. The cubic root of 422413679 is about 750.3190814153.

The spelling of 422413679 in words is "four hundred twenty-two million, four hundred thirteen thousand, six hundred seventy-nine".