322780 has 12 divisors (see below), whose sum is σ = 677880. Its totient is φ = 129104.

The previous prime is 322771. The next prime is 322781. The reversal of 322780 is 87223.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322781) 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 3 ways as a sum of consecutive naturals, for example, 8050 + ... + 8089.

It is an arithmetic number, because the mean of its divisors is an integer number (56490).

2³²²⁷⁸⁰ is an apocalyptic number.

It is an amenable number.

322780 is an abundant number, since it is smaller than the sum of its proper divisors (355100).

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

322780 is a wasteful number, since it uses less digits than its factorization.

322780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16148 (or 16146 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 322780 is about 568.1373073474. The cubic root of 322780 is about 68.5965392492.

The spelling of 322780 in words is "three hundred twenty-two thousand, seven hundred eighty".