422834479 has 2 divisors, whose sum is σ = 422834480. Its totient is φ = 422834478.

The previous prime is 422834431. The next prime is 422834491. The reversal of 422834479 is 974438224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 422834479 - 2⁹ = 422833967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422814479) 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, 211417239 + 211417240.

It is an arithmetic number, because the mean of its divisors is an integer number (211417240).

Almost surely, 2^422834479 is an apocalyptic number.

422834479 is a deficient number, since it is larger than the sum of its proper divisors (1).

422834479 is an equidigital number, since it uses as much as digits as its factorization.

422834479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 43.

The square root of 422834479 is about 20562.9394542706. The cubic root of 422834479 is about 750.5681496474.

The spelling of 422834479 in words is "four hundred twenty-two million, eight hundred thirty-four thousand, four hundred seventy-nine".