285922 has 16 divisors (see below), whose sum is σ = 528192. Its totient is φ = 113040.

The previous prime is 285871. The next prime is 285937. The reversal of 285922 is 229582.

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, 604 + ... + 967.

It is an arithmetic number, because the mean of its divisors is an integer number (33012).

2²⁸⁵⁹²² is an apocalyptic number.

285922 is a deficient number, since it is larger than the sum of its proper divisors (242270).

285922 is a wasteful number, since it uses less digits than its factorization.

285922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1593.

The product of its digits is 2880, while the sum is 28.

The square root of 285922 is about 534.7167474467. The cubic root of 285922 is about 65.8793326259.

The spelling of 285922 in words is "two hundred eighty-five thousand, nine hundred twenty-two".