422822646 has 32 divisors (see below), whose sum is σ = 940648800. Its totient is φ = 140784480.

The previous prime is 422822629. The next prime is 422822651. The reversal of 422822646 is 646228224.

422822646 is a `hidden beast` number, since 4 + 2 + 2 + 8 + 2 + 2 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 422822646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51300 + ... + 58968.

It is an arithmetic number, because the mean of its divisors is an integer number (29395275).

Almost surely, 2^422822646 is an apocalyptic number.

422822646 is an abundant number, since it is smaller than the sum of its proper divisors (517826154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422822646 is a wasteful number, since it uses less digits than its factorization.

422822646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8701 (or 8695 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 422822646 is about 20562.6517258840. The cubic root of 422822646 is about 750.5611480458.

The spelling of 422822646 in words is "four hundred twenty-two million, eight hundred twenty-two thousand, six hundred forty-six".