322256896 has 120 divisors (see below), whose sum is σ = 743155560. Its totient is φ = 138412032.

The previous prime is 322256867. The next prime is 322256923. The reversal of 322256896 is 698652223.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 10240000 + 312016896 = 3200^2 + 17664^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3620820 + ... + 3620908.

It is an arithmetic number, because the mean of its divisors is an integer number (6192963).

Almost surely, 2^322256896 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 322256896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (371577780).

322256896 is an abundant number, since it is smaller than the sum of its proper divisors (420898664).

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

322256896 is an equidigital number, since it uses as much as digits as its factorization.

322256896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 121 counting only the distinct ones).

The product of its digits is 311040, while the sum is 43.

The square root of 322256896 is about 17951.5151449676. The cubic root of 322256896 is about 685.5946288566.

The spelling of 322256896 in words is "three hundred twenty-two million, two hundred fifty-six thousand, eight hundred ninety-six".