225830 has 16 divisors (see below), whose sum is σ = 443664. Its totient is φ = 82080.

The previous prime is 225829. The next prime is 225839. The reversal of 225830 is 38522.

225830 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225839) 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, 917 + ... + 1136.

It is an arithmetic number, because the mean of its divisors is an integer number (27729).

2²²⁵⁸³⁰ is an apocalyptic number.

225830 is a deficient number, since it is larger than the sum of its proper divisors (217834).

225830 is a wasteful number, since it uses less digits than its factorization.

225830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2071.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 225830 is about 475.2157404800. The cubic root of 225830 is about 60.8967167394.

The spelling of 225830 in words is "two hundred twenty-five thousand, eight hundred thirty".