13322322 has 72 divisors (see below), whose sum is σ = 33189156. Its totient is φ = 3838464.

The previous prime is 13322311. The next prime is 13322341. The reversal of 13322322 is 22322331.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 11634921 + 1687401 = 3411^2 + 1299^2 .

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 junction number, because it is equal to n+sod(n) for n = 13322295 and 13322304.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 67528 + ... + 67724.

Almost surely, 2^13322322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13322322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16594578).

13322322 is an abundant number, since it is smaller than the sum of its proper divisors (19866834).

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

13322322 is a wasteful number, since it uses less digits than its factorization.

13322322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252 (or 232 counting only the distinct ones).

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

The square root of 13322322 is about 3649.9756163569. The cubic root of 13322322 is about 237.0609254251.

Adding to 13322322 its reverse (22322331), we get a palindrome (35644653).

Subtracting 13322322 from its reverse (22322331), we obtain a palindrome (9000009).

The spelling of 13322322 in words is "thirteen million, three hundred twenty-two thousand, three hundred twenty-two".