422871448122 has 160 divisors (see below), whose sum is σ = 1013011287552. Its totient is φ = 131384042496.

The previous prime is 422871448093. The next prime is 422871448147. The reversal of 422871448122 is 221844178224.

422871448122 is a `hidden beast` number, since 4 + 2 + 2 + 87 + 1 + 448 + 122 = 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 79 ways as a sum of consecutive naturals, for example, 197325783 + ... + 197327925.

Almost surely, 2^422871448122 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422871448122, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506505643776).

422871448122 is an abundant number, since it is smaller than the sum of its proper divisors (590139839430).

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

422871448122 is a wasteful number, since it uses less digits than its factorization.

422871448122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834 (or 2825 counting only the distinct ones).

The product of its digits is 458752, while the sum is 45.

The spelling of 422871448122 in words is "four hundred twenty-two billion, eight hundred seventy-one million, four hundred forty-eight thousand, one hundred twenty-two".