13222332 has 48 divisors (see below), whose sum is σ = 35777280. Its totient is φ = 4215024.

The previous prime is 13222331. The next prime is 13222343. The reversal of 13222332 is 23322231.

It is a happy number.

13222332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13222331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 178 + ... + 5145.

It is an arithmetic number, because the mean of its divisors is an integer number (745360).

Almost surely, 2^13222332 is an apocalyptic number.

13222332 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13222332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17888640).

13222332 is an abundant number, since it is smaller than the sum of its proper divisors (22554948).

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

13222332 is a wasteful number, since it uses less digits than its factorization.

13222332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5359 (or 5351 counting only the distinct ones).

The product of its digits is 432, while the sum is 18.

The square root of 13222332 is about 3636.2524664825. The cubic root of 13222332 is about 236.4663525770.

Adding to 13222332 its reverse (23322231), we get a palindrome (36544563).

The spelling of 13222332 in words is "thirteen million, two hundred twenty-two thousand, three hundred thirty-two".