225822 has 16 divisors (see below), whose sum is σ = 459792. Its totient is φ = 73920.

The previous prime is 225821. The next prime is 225829. The reversal of 225822 is 228522.

225822 is nontrivially palindromic in base 5.

225822 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225821) 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, 58 + ... + 674.

It is an arithmetic number, because the mean of its divisors is an integer number (28737).

2²²⁵⁸²² is an apocalyptic number.

225822 is an abundant number, since it is smaller than the sum of its proper divisors (233970).

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

225822 is a wasteful number, since it uses less digits than its factorization.

225822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683.

The product of its digits is 640, while the sum is 21.

The square root of 225822 is about 475.2073231759. The cubic root of 225822 is about 60.8959976447.

The spelling of 225822 in words is "two hundred twenty-five thousand, eight hundred twenty-two".