258822 has 16 divisors (see below), whose sum is σ = 575280. Its totient is φ = 86256.

The previous prime is 258809. The next prime is 258827. The reversal of 258822 is 228852.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (258827) 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, 2343 + ... + 2450.

It is an arithmetic number, because the mean of its divisors is an integer number (35955).

2²⁵⁸⁸²² is an apocalyptic number.

258822 is an abundant number, since it is smaller than the sum of its proper divisors (316458).

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

258822 is a wasteful number, since it uses less digits than its factorization.

258822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4804 (or 4798 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 258822 is about 508.7455159508. The cubic root of 258822 is about 63.7285048638.

The spelling of 258822 in words is "two hundred fifty-eight thousand, eight hundred twenty-two".