225000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a tau number, because it is divible by the number of its divisors (72).
It is an unprimeable number.
225000 is an untouchable number, because it is not equal to the sum of proper divisors of any number.
2225000 is an apocalyptic number.
225000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 225000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380835).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
225000 is an equidigital number, since it uses as much as digits as its factorization.
225000 is an odious number, because the sum of its binary digits is odd.
The square root of 225000 is about 474.3416490253. The cubic root of 225000 is about 60.8220199557.
Adding to 225000 its reverse (522), we get a palindrome (225522).
The spelling of 225000 in words is "two hundred twenty-five thousand".