12224432 has 20 divisors (see below), whose sum is σ = 25838376. Its totient is φ = 5556480.

The previous prime is 12224413. The next prime is 12224473. The reversal of 12224432 is 23442221.

12224432 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34553 + ... + 34904.

Almost surely, 2^12224432 is an apocalyptic number.

It is an amenable number.

12224432 is an abundant number, since it is smaller than the sum of its proper divisors (13613944).

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

12224432 is a wasteful number, since it uses less digits than its factorization.

12224432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69476 (or 69470 counting only the distinct ones).

The product of its digits is 768, while the sum is 20.

The square root of 12224432 is about 3496.3455206830. The cubic root of 12224432 is about 230.3613224363.

Adding to 12224432 its reverse (23442221), we get a palindrome (35666653).

The spelling of 12224432 in words is "twelve million, two hundred twenty-four thousand, four hundred thirty-two".