285322 has 8 divisors (see below), whose sum is σ = 430272. Its totient is φ = 141900.

The previous prime is 285317. The next prime is 285343. The reversal of 285322 is 223582.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 285293 and 285302.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 447 + ... + 877.

It is an arithmetic number, because the mean of its divisors is an integer number (53784).

2²⁸⁵³²² is an apocalyptic number.

285322 is a deficient number, since it is larger than the sum of its proper divisors (144950).

285322 is a wasteful number, since it uses less digits than its factorization.

285322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 764.

The product of its digits is 960, while the sum is 22.

The square root of 285322 is about 534.1554080977. The cubic root of 285322 is about 65.8332183231.

The spelling of 285322 in words is "two hundred eighty-five thousand, three hundred twenty-two".