225175250 has 16 divisors (see below), whose sum is σ = 421528536. Its totient is φ = 90070000.

The previous prime is 225175231. The next prime is 225175253. The reversal of 225175250 is 52571522.

It can be written as a sum of positive squares in 4 ways, for example, as 149989009 + 75186241 = 12247^2 + 8671^2 .

It is not an unprimeable number, because it can be changed into a prime (225175253) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 450101 + ... + 450600.

Almost surely, 2^225175250 is an apocalyptic number.

225175250 is a deficient number, since it is larger than the sum of its proper divisors (196353286).

225175250 is an equidigital number, since it uses as much as digits as its factorization.

225175250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 900718 (or 900708 counting only the distinct ones).

The product of its (nonzero) digits is 7000, while the sum is 29.

The square root of 225175250 is about 15005.8405296071. The cubic root of 225175250 is about 608.3780705616.

The spelling of 225175250 in words is "two hundred twenty-five million, one hundred seventy-five thousand, two hundred fifty".