322275240 has 256 divisors, whose sum is σ = 1255219200. Its totient is φ = 72016128.

The previous prime is 322275221. The next prime is 322275251. The reversal of 322275240 is 42572223.

It is a super-2 number, since 2×322275240² = 207722660634115200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 354867 + ... + 355773.

It is an arithmetic number, because the mean of its divisors is an integer number (4903200).

Almost surely, 2^322275240 is an apocalyptic number.

322275240 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 322275240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (627609600).

322275240 is an abundant number, since it is smaller than the sum of its proper divisors (932943960).

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

322275240 is a wasteful number, since it uses less digits than its factorization.

322275240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981 (or 971 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 27.

The square root of 322275240 is about 17952.0260694998. The cubic root of 322275240 is about 685.6076374318.

The spelling of 322275240 in words is "three hundred twenty-two million, two hundred seventy-five thousand, two hundred forty".