322231040 has 72 divisors (see below), whose sum is σ = 775943280. Its totient is φ = 128208896.

The previous prime is 322231031. The next prime is 322231061. The reversal of 322231040 is 40132223.

322231040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 290006 + ... + 291114.

It is an arithmetic number, because the mean of its divisors is an integer number (10776990).

Almost surely, 2^322231040 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 322231040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387971640).

322231040 is an abundant number, since it is smaller than the sum of its proper divisors (453712240).

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

322231040 is a wasteful number, since it uses less digits than its factorization.

322231040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357 (or 1343 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 322231040 is about 17950.7949684687. The cubic root of 322231040 is about 685.5762923378.

Adding to 322231040 its reverse (40132223), we get a palindrome (362363263).

The spelling of 322231040 in words is "three hundred twenty-two million, two hundred thirty-one thousand, forty".