225850 has 12 divisors (see below), whose sum is σ = 420174. Its totient is φ = 90320.

The previous prime is 225839. The next prime is 225859. The reversal of 225850 is 58522.

It can be written as a sum of positive squares in 3 ways, for example, as 88209 + 137641 = 297^2 + 371^2 .

It is not an unprimeable number, because it can be changed into a prime (225859) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2209 + ... + 2308.

2²²⁵⁸⁵⁰ is an apocalyptic number.

225850 is a deficient number, since it is larger than the sum of its proper divisors (194324).

225850 is a wasteful number, since it uses less digits than its factorization.

225850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4529 (or 4524 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 225850 is about 475.2367830882. The cubic root of 225850 is about 60.8985144019.

It can be divided in two parts, 2 and 25850, that added together give a palindrome (25852).

The spelling of 225850 in words is "two hundred twenty-five thousand, eight hundred fifty".