422638227792 has 80 divisors (see below), whose sum is σ = 1323412647360. Its totient is φ = 128072188800.

The previous prime is 422638227719. The next prime is 422638227821. The reversal of 422638227792 is 297722836224.

422638227792 is a `hidden beast` number, since 422 + 63 + 8 + 2 + 2 + 77 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 44464759 + ... + 44474262.

It is an arithmetic number, because the mean of its divisors is an integer number (16542658092).

Almost surely, 2^422638227792 is an apocalyptic number.

It is an amenable number.

422638227792 is an abundant number, since it is smaller than the sum of its proper divisors (900774419568).

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

422638227792 is a wasteful number, since it uses less digits than its factorization.

422638227792 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88939049 (or 88939037 counting only the distinct ones).

The product of its digits is 8128512, while the sum is 54.

The spelling of 422638227792 in words is "four hundred twenty-two billion, six hundred thirty-eight million, two hundred twenty-seven thousand, seven hundred ninety-two".