422109455784 has 32 divisors (see below), whose sum is σ = 1072573211040. Its totient is φ = 138396542400.

The previous prime is 422109455773. The next prime is 422109455791. The reversal of 422109455784 is 487554901224.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 144161602 + ... + 144164529.

It is an arithmetic number, because the mean of its divisors is an integer number (33517912845).

Almost surely, 2^422109455784 is an apocalyptic number.

It is an amenable number.

422109455784 is an abundant number, since it is smaller than the sum of its proper divisors (650463755256).

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

422109455784 is a wasteful number, since it uses less digits than its factorization.

422109455784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288326201 (or 288326197 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 51.

The spelling of 422109455784 in words is "four hundred twenty-two billion, one hundred nine million, four hundred fifty-five thousand, seven hundred eighty-four".