322750560 has 144 divisors (see below), whose sum is σ = 1117691568. Its totient is φ = 78228480.

The previous prime is 322750553. The next prime is 322750567. The reversal of 322750560 is 65057223.

It is an interprime number because it is at equal distance from previous prime (322750553) and next prime (322750567).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322750567) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55302 + ... + 60858.

It is an arithmetic number, because the mean of its divisors is an integer number (7761747).

Almost surely, 2^322750560 is an apocalyptic number.

322750560 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 322750560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (558845784).

322750560 is an abundant number, since it is smaller than the sum of its proper divisors (794941008).

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

322750560 is a wasteful number, since it uses less digits than its factorization.

322750560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5597 (or 5578 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 30.

The square root of 322750560 is about 17965.2598088644. The cubic root of 322750560 is about 685.9445367643.

The spelling of 322750560 in words is "three hundred twenty-two million, seven hundred fifty thousand, five hundred sixty".