9912232 has 32 divisors (see below), whose sum is σ = 20566080. Its totient is φ = 4440960.

The previous prime is 9912211. The next prime is 9912251. The reversal of 9912232 is 2322199.

It is a self number, because there is not a number n which added to its sum of digits gives 9912232.

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, 5653 + ... + 7195.

It is an arithmetic number, because the mean of its divisors is an integer number (642690).

Almost surely, 2^9912232 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 9912232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10283040).

9912232 is an abundant number, since it is smaller than the sum of its proper divisors (10653848).

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

9912232 is a wasteful number, since it uses less digits than its factorization.

9912232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1633 (or 1629 counting only the distinct ones).

The product of its digits is 1944, while the sum is 28.

The square root of 9912232 is about 3148.3697368638. The cubic root of 9912232 is about 214.8113145361.

It can be divided in two parts, 991 and 2232, that added together give a palindrome (3223).

The spelling of 9912232 in words is "nine million, nine hundred twelve thousand, two hundred thirty-two".