422113412 has 48 divisors (see below), whose sum is σ = 874444032. Its totient is φ = 174545280.

The previous prime is 422113399. The next prime is 422113469. The reversal of 422113412 is 214311224.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 88193 + ... + 92855.

It is an arithmetic number, because the mean of its divisors is an integer number (18217584).

Almost surely, 2^422113412 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 422113412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (437222016).

422113412 is an abundant number, since it is smaller than the sum of its proper divisors (452330620).

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

422113412 is a wasteful number, since it uses less digits than its factorization.

422113412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4788 (or 4786 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 422113412 is about 20545.3988036251. The cubic root of 422113412 is about 750.1412545797.

Adding to 422113412 its reverse (214311224), we get a palindrome (636424636).

The spelling of 422113412 in words is "four hundred twenty-two million, one hundred thirteen thousand, four hundred twelve".