322250240 has 160 divisors (see below), whose sum is σ = 870319296. Its totient is φ = 113541120.

The previous prime is 322250209. The next prime is 322250267. The reversal of 322250240 is 42052223.

It is a tau number, because it is divible by the number of its divisors (160).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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, 765230 + ... + 765650.

Almost surely, 2^322250240 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 322250240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (435159648).

322250240 is an abundant number, since it is smaller than the sum of its proper divisors (548069056).

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

322250240 is a wasteful number, since it uses less digits than its factorization.

322250240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 322250240 is about 17951.3297557590. The cubic root of 322250240 is about 685.5899086584.

The spelling of 322250240 in words is "three hundred twenty-two million, two hundred fifty thousand, two hundred forty".