422809774 has 16 divisors (see below), whose sum is σ = 668119680. Its totient is φ = 200120760.

The previous prime is 422809769. The next prime is 422809819. The reversal of 422809774 is 477908224.

It is a self number, because there is not a number n which added to its sum of digits gives 422809774.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55029 + ... + 62239.

It is an arithmetic number, because the mean of its divisors is an integer number (41757480).

Almost surely, 2^422809774 is an apocalyptic number.

422809774 is a deficient number, since it is larger than the sum of its proper divisors (245309906).

422809774 is a wasteful number, since it uses less digits than its factorization.

422809774 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8775.

The product of its (nonzero) digits is 225792, while the sum is 43.

The square root of 422809774 is about 20562.3387288509. The cubic root of 422809774 is about 750.5535315181.

The spelling of 422809774 in words is "four hundred twenty-two million, eight hundred nine thousand, seven hundred seventy-four".