422974793 has 16 divisors (see below), whose sum is σ = 436914000. Its totient is φ = 409332480.

The previous prime is 422974781. The next prime is 422974801. The reversal of 422974793 is 397479224.

It can be written as a sum of positive squares in 8 ways, for example, as 112933129 + 310041664 = 10627^2 + 17608^2 .

It is a cyclic number.

It is not a de Polignac number, because 422974793 - 2⁴ = 422974777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422974733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1572263 + ... + 1572531.

It is an arithmetic number, because the mean of its divisors is an integer number (27307125).

Almost surely, 2^422974793 is an apocalyptic number.

It is an amenable number.

422974793 is a deficient number, since it is larger than the sum of its proper divisors (13939207).

422974793 is a wasteful number, since it uses less digits than its factorization.

422974793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652.

The product of its digits is 762048, while the sum is 47.

The square root of 422974793 is about 20566.3509889334. The cubic root of 422974793 is about 750.6511636694.

The spelling of 422974793 in words is "four hundred twenty-two million, nine hundred seventy-four thousand, seven hundred ninety-three".