It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-225899 is a prime.
It is a Duffinian number.
It is a plaindrome in base 10 and base 15.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 225899.
2225899 is an apocalyptic number.
225899 is a wasteful number, since it uses less digits than its factorization.
225899 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1236.
The square root of 225899 is about 475.2883335408. The cubic root of 225899 is about 60.9029182266.
The spelling of 225899 in words is "two hundred twenty-five thousand, eight hundred ninety-nine".