285022 has 16 divisors (see below), whose sum is σ = 462672. Its totient is φ = 131200.

The previous prime is 285007. The next prime is 285023. The reversal of 285022 is 220582.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (285023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2772 + ... + 2872.

It is an arithmetic number, because the mean of its divisors is an integer number (28917).

2²⁸⁵⁰²² is an apocalyptic number.

285022 is a deficient number, since it is larger than the sum of its proper divisors (177650).

285022 is a wasteful number, since it uses less digits than its factorization.

285022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203.

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 285022 is about 533.8745170918. The cubic root of 285022 is about 65.8101369255.

It can be divided in two parts, 28 and 5022, that added together give a triangular number (5050 = T₁₀₀).

The spelling of 285022 in words is "two hundred eighty-five thousand, twenty-two".