225222 has 8 divisors (see below), whose sum is σ = 450456. Its totient is φ = 75072.

The previous prime is 225221. The next prime is 225223. The reversal of 225222 is 222522.

It is an interprime number because it is at equal distance from previous prime (225221) and next prime (225223).

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

225222 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225221) 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, 18763 + ... + 18774.

It is an arithmetic number, because the mean of its divisors is an integer number (56307).

2²²⁵²²² is an apocalyptic number.

225222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

225222 is a wasteful number, since it uses less digits than its factorization.

225222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37542.

The product of its digits is 160, while the sum is 15.

The square root of 225222 is about 474.5755998785. The cubic root of 225222 is about 60.8420170669.

Adding to 225222 its reverse (222522), we get a palindrome (447744).

The spelling of 225222 in words is "two hundred twenty-five thousand, two hundred twenty-two".