422020112 has 40 divisors (see below), whose sum is σ = 847445760. Its totient is φ = 203379840.

The previous prime is 422020063. The next prime is 422020139. The reversal of 422020112 is 211020224.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131843 + ... + 135005.

It is an arithmetic number, because the mean of its divisors is an integer number (21186144).

Almost surely, 2^422020112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422020112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (423722880).

422020112 is an abundant number, since it is smaller than the sum of its proper divisors (425425648).

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

422020112 is a wasteful number, since it uses less digits than its factorization.

422020112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3471 (or 3465 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 422020112 is about 20543.1280967627. The cubic root of 422020112 is about 750.0859824386.

Adding to 422020112 its reverse (211020224), we get a palindrome (633040336).

The spelling of 422020112 in words is "four hundred twenty-two million, twenty thousand, one hundred twelve".