322276864 has 80 divisors (see below), whose sum is σ = 792636768. Its totient is φ = 127475712.

The previous prime is 322276861. The next prime is 322276891. The reversal of 322276864 is 468672223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322276861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43134 + ... + 50050.

Almost surely, 2^322276864 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 322276864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (396318384).

322276864 is an abundant number, since it is smaller than the sum of its proper divisors (470359904).

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

322276864 is an equidigital number, since it uses as much as digits as its factorization.

322276864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6955 (or 6939 counting only the distinct ones).

The product of its digits is 193536, while the sum is 40.

The square root of 322276864 is about 17952.0713011062. The cubic root of 322276864 is about 685.6087890613.

The spelling of 322276864 in words is "three hundred twenty-two million, two hundred seventy-six thousand, eight hundred sixty-four".