422163959112 has 192 divisors, whose sum is σ = 1392523591680. Its totient is φ = 112919089536.

The previous prime is 422163959093. The next prime is 422163959197. The reversal of 422163959112 is 211959361224.

It is a happy number.

422163959112 is a `hidden beast` number, since 4 + 2 + 2 + 1 + 639 + 5 + 9 + 1 + 1 + 2 = 666.

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 47 ways as a sum of consecutive naturals, for example, 157393 + ... + 932255.

It is an arithmetic number, because the mean of its divisors is an integer number (7252727040).

Almost surely, 2^422163959112 is an apocalyptic number.

422163959112 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422163959112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (696261795840).

422163959112 is an abundant number, since it is smaller than the sum of its proper divisors (970359632568).

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

422163959112 is a wasteful number, since it uses less digits than its factorization.

422163959112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 774952 (or 774945 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The spelling of 422163959112 in words is "four hundred twenty-two billion, one hundred sixty-three million, nine hundred fifty-nine thousand, one hundred twelve".