422323617778 has 16 divisors (see below), whose sum is σ = 636412140000. Its totient is φ = 210188484352.

The previous prime is 422323617739. The next prime is 422323617787. The reversal of 422323617778 is 877716323224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 184948 + ... + 937471.

It is an arithmetic number, because the mean of its divisors is an integer number (39775758750).

Almost surely, 2^422323617778 is an apocalyptic number.

422323617778 is a deficient number, since it is larger than the sum of its proper divisors (214088522222).

422323617778 is a wasteful number, since it uses less digits than its factorization.

422323617778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1123289.

The product of its digits is 4741632, while the sum is 52.

The spelling of 422323617778 in words is "four hundred twenty-two billion, three hundred twenty-three million, six hundred seventeen thousand, seven hundred seventy-eight".