422747192394 has 32 divisors (see below), whose sum is σ = 940160450880. Its totient is φ = 140807394000.

The previous prime is 422747192359. The next prime is 422747192459. The reversal of 422747192394 is 493291747224.

422747192394 is a `hidden beast` number, since 4 + 2 + 27 + 47 + 192 + 394 = 666.

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

It is a self number, because there is not a number n which added to its sum of digits gives 422747192394.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2938452 + ... + 3078959.

It is an arithmetic number, because the mean of its divisors is an integer number (29380014090).

Almost surely, 2^422747192394 is an apocalyptic number.

422747192394 is an abundant number, since it is smaller than the sum of its proper divisors (517413258486).

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

422747192394 is a wasteful number, since it uses less digits than its factorization.

422747192394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6018723 (or 6018717 counting only the distinct ones).

The product of its digits is 6096384, while the sum is 54.

The spelling of 422747192394 in words is "four hundred twenty-two billion, seven hundred forty-seven million, one hundred ninety-two thousand, three hundred ninety-four".