322255340 has 48 divisors (see below), whose sum is σ = 745917984. Its totient is φ = 115968000.

The previous prime is 322255331. The next prime is 322255397. The reversal of 322255340 is 43552223.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13790 + ... + 28890.

It is an arithmetic number, because the mean of its divisors is an integer number (15539958).

Almost surely, 2^322255340 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 322255340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (372958992).

322255340 is an abundant number, since it is smaller than the sum of its proper divisors (423662644).

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

322255340 is a wasteful number, since it uses less digits than its factorization.

322255340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15218 (or 15216 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 322255340 is about 17951.4718059551. The cubic root of 322255340 is about 685.5935254026.

The spelling of 322255340 in words is "three hundred twenty-two million, two hundred fifty-five thousand, three hundred forty".