225030645 has 48 divisors (see below), whose sum is σ = 447557760. Its totient is φ = 102460032.

The previous prime is 225030613. The next prime is 225030697. The reversal of 225030645 is 546030522.

It is not a de Polignac number, because 225030645 - 2⁵ = 225030613 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 85966 + ... + 88544.

It is an arithmetic number, because the mean of its divisors is an integer number (9324120).

Almost surely, 2^225030645 is an apocalyptic number.

It is an amenable number.

225030645 is a deficient number, since it is larger than the sum of its proper divisors (222527115).

225030645 is a wasteful number, since it uses less digits than its factorization.

225030645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2874 (or 2871 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 225030645 is about 15001.0214652203. The cubic root of 225030645 is about 608.2478115009.

The spelling of 225030645 in words is "two hundred twenty-five million, thirty thousand, six hundred forty-five".