225234 has 32 divisors (see below), whose sum is σ = 517440. Its totient is φ = 72576.

The previous prime is 225227. The next prime is 225241. The reversal of 225234 is 432522.

It is an interprime number because it is at equal distance from previous prime (225227) and next prime (225241).

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

It is a zygodrome in base 8.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2274 + ... + 2370.

It is an arithmetic number, because the mean of its divisors is an integer number (16170).

2²²⁵²³⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258720).

225234 is an abundant number, since it is smaller than the sum of its proper divisors (292206).

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

225234 is a wasteful number, since it uses less digits than its factorization.

225234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151 (or 145 counting only the distinct ones).

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

The square root of 225234 is about 474.5882425851. The cubic root of 225234 is about 60.8430976174.

Adding to 225234 its reverse (432522), we get a palindrome (657756).

It can be divided in two parts, 225 and 234, that multiplied together give a triangular number (52650 = T₃₂₄).

The spelling of 225234 in words is "two hundred twenty-five thousand, two hundred thirty-four".