225342 has 40 divisors (see below), whose sum is σ = 548856. Its totient is φ = 68688.

The previous prime is 225341. The next prime is 225343. The reversal of 225342 is 243522.

225342 is nontrivially palindromic in base 8.

It is an interprime number because it is at equal distance from previous prime (225341) and next prime (225343).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225341) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 2053 + ... + 2159.

2²²⁵³⁴² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225342, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (274428).

225342 is an abundant number, since it is smaller than the sum of its proper divisors (323514).

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

225342 is a wasteful number, since it uses less digits than its factorization.

225342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134 (or 125 counting only the distinct ones).

The product of its digits is 480, while the sum is 18.

The square root of 225342 is about 474.7020117927. The cubic root of 225342 is about 60.8528208453.

Adding to 225342 its reverse (243522), we get a palindrome (468864).

The spelling of 225342 in words is "two hundred twenty-five thousand, three hundred forty-two".