322323222 has 48 divisors (see below), whose sum is σ = 715166928. Its totient is φ = 96744960.

The previous prime is 322323187. The next prime is 322323223. The reversal of 322323222 is 222323223.

It is a super-2 number, since 2×322323222² = 207784518880922568, which contains 22 as substring.

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 (322323223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37698 + ... + 45450.

It is an arithmetic number, because the mean of its divisors is an integer number (14899311).

Almost surely, 2^322323222 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322323222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (357583464).

322323222 is an abundant number, since it is smaller than the sum of its proper divisors (392843706).

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

322323222 is a wasteful number, since it uses less digits than its factorization.

322323222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7825 (or 7812 counting only the distinct ones).

The product of its digits is 1728, while the sum is 21.

The square root of 322323222 is about 17953.3624148793. The cubic root of 322323222 is about 685.6416613438.

Adding to 322323222 its reverse (222323223), we get a palindrome (544646445).

Subtracting from 322323222 its reverse (222323223), we obtain a palindrome (99999999).

The spelling of 322323222 in words is "three hundred twenty-two million, three hundred twenty-three thousand, two hundred twenty-two".