322249880 has 64 divisors (see below), whose sum is σ = 768096000. Its totient is φ = 121336704.

The previous prime is 322249877. The next prime is 322249883. The reversal of 322249880 is 88942223.

It is an interprime number because it is at equal distance from previous prime (322249877) and next prime (322249883).

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322249883) 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, 125651 + ... + 128189.

It is an arithmetic number, because the mean of its divisors is an integer number (12001500).

Almost surely, 2^322249880 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 322249880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (384048000).

322249880 is an abundant number, since it is smaller than the sum of its proper divisors (445846120).

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

322249880 is a wasteful number, since it uses less digits than its factorization.

322249880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2736 (or 2732 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 322249880 is about 17951.3197286439. The cubic root of 322249880 is about 685.5896533574.

The spelling of 322249880 in words is "three hundred twenty-two million, two hundred forty-nine thousand, eight hundred eighty".