225286 has 4 divisors (see below), whose sum is σ = 337932. Its totient is φ = 112642.

The previous prime is 225263. The next prime is 225287. The reversal of 225286 is 682522.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 225286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56320 + ... + 56323.

It is an arithmetic number, because the mean of its divisors is an integer number (84483).

2²²⁵²⁸⁶ is an apocalyptic number.

225286 is a deficient number, since it is larger than the sum of its proper divisors (112646).

225286 is a wasteful number, since it uses less digits than its factorization.

225286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112645.

The product of its digits is 1920, while the sum is 25.

The square root of 225286 is about 474.6430237557. The cubic root of 225286 is about 60.8477795595.

The spelling of 225286 in words is "two hundred twenty-five thousand, two hundred eighty-six".