422352479 has 2 divisors, whose sum is σ = 422352480. Its totient is φ = 422352478.

The previous prime is 422352457. The next prime is 422352559. The reversal of 422352479 is 974253224.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 422352479 - 2¹² = 422348383 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422352449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211176239 + 211176240.

It is an arithmetic number, because the mean of its divisors is an integer number (211176240).

Almost surely, 2^422352479 is an apocalyptic number.

422352479 is a deficient number, since it is larger than the sum of its proper divisors (1).

422352479 is an equidigital number, since it uses as much as digits as its factorization.

422352479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The square root of 422352479 is about 20551.2159980863. The cubic root of 422352479 is about 750.2828438376.

The spelling of 422352479 in words is "four hundred twenty-two million, three hundred fifty-two thousand, four hundred seventy-nine".