225028 has 12 divisors (see below), whose sum is σ = 398412. Its totient is φ = 111200.

The previous prime is 225023. The next prime is 225037. The reversal of 225028 is 820522.

225028 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 123904 + 101124 = 352^2 + 318^2 .

It is a junction number, because it is equal to n+sod(n) for n = 224996 and 225014.

It is not an unprimeable number, because it can be changed into a prime (225023) by changing a digit.

225028 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126 + ... + 682.

It is an arithmetic number, because the mean of its divisors is an integer number (33201).

2²²⁵⁰²⁸ is an apocalyptic number.

It is an amenable number.

225028 is a deficient number, since it is larger than the sum of its proper divisors (173384).

225028 is a wasteful number, since it uses less digits than its factorization.

225028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662 (or 660 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 19.

The square root of 225028 is about 474.3711626986. The cubic root of 225028 is about 60.8245428386.

It can be divided in two parts, 2250 and 28, that added together give a triangular number (2278 = T₆₇).

The spelling of 225028 in words is "two hundred twenty-five thousand, twenty-eight".