225239 has 8 divisors (see below), whose sum is σ = 268800. Its totient is φ = 184536.

The previous prime is 225227. The next prime is 225241. The reversal of 225239 is 932522.

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

It is a cyclic number.

It is not a de Polignac number, because 225239 - 2⁴ = 225223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225289) 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, 539 + ... + 860.

It is an arithmetic number, because the mean of its divisors is an integer number (33600).

2²²⁵²³⁹ is an apocalyptic number.

225239 is a deficient number, since it is larger than the sum of its proper divisors (43561).

225239 is a wasteful number, since it uses less digits than its factorization.

225239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1429.

The product of its digits is 1080, while the sum is 23.

The square root of 225239 is about 474.5935102801. The cubic root of 225239 is about 60.8435478355.

It can be divided in two parts, 225 and 239, that added together give a palindrome (464).

The spelling of 225239 in words is "two hundred twenty-five thousand, two hundred thirty-nine".