12322232 has 32 divisors (see below), whose sum is σ = 25132800. Its totient is φ = 5629824.

The previous prime is 12322223. The next prime is 12322237. The reversal of 12322232 is 23222321.

It is a self number, because there is not a number n which added to its sum of digits gives 12322232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12322237) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 10793 + ... + 11879.

It is an arithmetic number, because the mean of its divisors is an integer number (785400).

Almost surely, 2^12322232 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 12322232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12566400).

12322232 is an abundant number, since it is smaller than the sum of its proper divisors (12810568).

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

12322232 is a wasteful number, since it uses less digits than its factorization.

12322232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1215 (or 1211 counting only the distinct ones).

The product of its digits is 288, while the sum is 17.

The square root of 12322232 is about 3510.3036905658. The cubic root of 12322232 is about 230.9740168048.

Adding to 12322232 its reverse (23222321), we get a palindrome (35544553).

The spelling of 12322232 in words is "twelve million, three hundred twenty-two thousand, two hundred thirty-two".