423222112 has 48 divisors (see below), whose sum is σ = 881496000. Its totient is φ = 199463040.

The previous prime is 423222109. The next prime is 423222161. The reversal of 423222112 is 211222324.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a self number, because there is not a number n which added to its sum of digits gives 423222112.

It is a congruent number.

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, 126639 + ... + 129937.

It is an arithmetic number, because the mean of its divisors is an integer number (18364500).

Almost surely, 2^423222112 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 423222112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (440748000).

423222112 is an abundant number, since it is smaller than the sum of its proper divisors (458273888).

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

423222112 is a wasteful number, since it uses less digits than its factorization.

423222112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3539 (or 3531 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 423222112 is about 20572.3628200555. The cubic root of 423222112 is about 750.7974404105.

Adding to 423222112 its reverse (211222324), we get a palindrome (634444436).

The spelling of 423222112 in words is "four hundred twenty-three million, two hundred twenty-two thousand, one hundred twelve".