225586 has 8 divisors (see below), whose sum is σ = 341100. Its totient is φ = 111888.

The previous prime is 225583. The next prime is 225601. The reversal of 225586 is 685522.

225586 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 219961 + 5625 = 469^2 + 75^2 .

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

It is not an unprimeable number, because it can be changed into a prime (225581) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81 + ... + 676.

2²²⁵⁵⁸⁶ is an apocalyptic number.

225586 is a deficient number, since it is larger than the sum of its proper divisors (115514).

225586 is a wasteful number, since it uses less digits than its factorization.

225586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 908.

The product of its digits is 4800, while the sum is 28.

The square root of 225586 is about 474.9589455942. The cubic root of 225586 is about 60.8747767055.

The spelling of 225586 in words is "two hundred twenty-five thousand, five hundred eighty-six".