323211222 has 40 divisors (see below), whose sum is σ = 729569016. Its totient is φ = 106943328.

The previous prime is 323211221. The next prime is 323211281. The reversal of 323211222 is 222112323.

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 = 323211195 and 323211204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (323211221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 14913 + ... + 29475.

Almost surely, 2^323211222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 323211222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (364784508).

323211222 is an abundant number, since it is smaller than the sum of its proper divisors (406357794).

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

323211222 is a wasteful number, since it uses less digits than its factorization.

323211222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14714 (or 14705 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 323211222 is about 17978.0761484648. The cubic root of 323211222 is about 686.2707312558.

Adding to 323211222 its reverse (222112323), we get a palindrome (545323545).

The spelling of 323211222 in words is "three hundred twenty-three million, two hundred eleven thousand, two hundred twenty-two".