322020312 has 64 divisors (see below), whose sum is σ = 848793600. Its totient is φ = 101656320.

The previous prime is 322020277. The next prime is 322020319. The reversal of 322020312 is 213020223.

It is a junction number, because it is equal to n+sod(n) for n = 322020291 and 322020300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322020319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 30364 + ... + 39572.

It is an arithmetic number, because the mean of its divisors is an integer number (13262400).

Almost surely, 2^322020312 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 322020312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424396800).

322020312 is an abundant number, since it is smaller than the sum of its proper divisors (526773288).

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

322020312 is a wasteful number, since it uses less digits than its factorization.

322020312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9296 (or 9292 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 322020312 is about 17944.9244077539. The cubic root of 322020312 is about 685.4268119886.

Adding to 322020312 its reverse (213020223), we get a palindrome (535040535).

It can be divided in two parts, 3220 and 20312, that added together give a palindrome (23532).

The spelling of 322020312 in words is "three hundred twenty-two million, twenty thousand, three hundred twelve".