322648956 has 144 divisors (see below), whose sum is σ = 994739200. Its totient is φ = 86126976.

The previous prime is 322648943. The next prime is 322648957. The reversal of 322648956 is 659846223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322648957) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 377826 + ... + 378678.

Almost surely, 2^322648956 is an apocalyptic number.

322648956 is a gapful number since it is divisible by the number (36) 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 322648956, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (497369600).

322648956 is an abundant number, since it is smaller than the sum of its proper divisors (672090244).

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

322648956 is a wasteful number, since it uses less digits than its factorization.

322648956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 968 (or 963 counting only the distinct ones).

The product of its digits is 622080, while the sum is 45.

The square root of 322648956 is about 17962.4317952776. The cubic root of 322648956 is about 685.8725492585.

The spelling of 322648956 in words is "three hundred twenty-two million, six hundred forty-eight thousand, nine hundred fifty-six".