225422 has 8 divisors (see below), whose sum is σ = 340200. Its totient is φ = 112024.

The previous prime is 225383. The next prime is 225427. The reversal of 225422 is 224522.

225422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a nialpdrome in base 12.

It is a self number, because there is not a number n which added to its sum of digits gives 225422.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225422.

It is not an unprimeable number, because it can be changed into a prime (225427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 329 + ... + 747.

It is an arithmetic number, because the mean of its divisors is an integer number (42525).

2²²⁵⁴²² is an apocalyptic number.

225422 is a deficient number, since it is larger than the sum of its proper divisors (114778).

225422 is a wasteful number, since it uses less digits than its factorization.

225422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 690.

The product of its digits is 320, while the sum is 17.

The square root of 225422 is about 474.7862677037. The cubic root of 225422 is about 60.8600212336.

Adding to 225422 its reverse (224522), we get a palindrome (449944).

Subtracting from 225422 its reverse (224522), we obtain a square (900 = 30²).

The spelling of 225422 in words is "two hundred twenty-five thousand, four hundred twenty-two".