13323222 has 24 divisors (see below), whose sum is σ = 31491720. Its totient is φ = 4037280.

The previous prime is 13323217. The next prime is 13323227. The reversal of 13323222 is 22232331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13323217) and next prime (13323227).

It is a super-2 number, since 2×13323222² = 355016488922568, which contains 22 as substring.

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 = 13323195 and 13323204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13323227) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33447 + ... + 33842.

It is an arithmetic number, because the mean of its divisors is an integer number (1312155).

Almost surely, 2^13323222 is an apocalyptic number.

13323222 is an abundant number, since it is smaller than the sum of its proper divisors (18168498).

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

13323222 is a wasteful number, since it uses less digits than its factorization.

13323222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67308 (or 67305 counting only the distinct ones).

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

The square root of 13323222 is about 3650.0989027696. The cubic root of 13323222 is about 237.0662635843.

Adding to 13323222 its reverse (22232331), we get a palindrome (35555553).

It can be divided in two parts, 1332 and 3222, that added together give a palindrome (4554).

The spelling of 13323222 in words is "thirteen million, three hundred twenty-three thousand, two hundred twenty-two".