322113220 has 144 divisors (see below), whose sum is σ = 826709184. Its totient is φ = 103910400.

The previous prime is 322113217. The next prime is 322113221. The reversal of 322113220 is 22311223.

It is a junction number, because it is equal to n+sod(n) for n = 322113194 and 322113203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322113221) 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 47 ways as a sum of consecutive naturals, for example, 4807627 + ... + 4807693.

It is an arithmetic number, because the mean of its divisors is an integer number (5741036).

Almost surely, 2^322113220 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322113220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (413354592).

322113220 is an abundant number, since it is smaller than the sum of its proper divisors (504595964).

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

322113220 is a wasteful number, since it uses less digits than its factorization.

322113220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 322113220 is about 17947.5129196220. The cubic root of 322113220 is about 685.4927245087.

Adding to 322113220 its reverse (22311223), we get a palindrome (344424443).

The spelling of 322113220 in words is "three hundred twenty-two million, one hundred thirteen thousand, two hundred twenty".