225587 has 8 divisors (see below), whose sum is σ = 245760. Its totient is φ = 206280.

The previous prime is 225583. The next prime is 225601. The reversal of 225587 is 785522.

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 225587 - 2² = 225583 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225587.

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 7 ways as a sum of consecutive naturals, for example, 398 + ... + 780.

It is an arithmetic number, because the mean of its divisors is an integer number (30720).

2²²⁵⁵⁸⁷ is an apocalyptic number.

225587 is a deficient number, since it is larger than the sum of its proper divisors (20173).

225587 is a wasteful number, since it uses less digits than its factorization.

225587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433.

The product of its digits is 5600, while the sum is 29.

The square root of 225587 is about 474.9599983156. The cubic root of 225587 is about 60.8748666560.

The spelling of 225587 in words is "two hundred twenty-five thousand, five hundred eighty-seven".