225412250 has 48 divisors (see below), whose sum is σ = 490891752. Its totient is φ = 77280000.

The previous prime is 225412249. The next prime is 225412261. The reversal of 225412250 is 52214522.

It can be written as a sum of positive squares in 4 ways, for example, as 61136761 + 164275489 = 7819^2 + 12817^2 .

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3050 + ... + 21450.

Almost surely, 2^225412250 is an apocalyptic number.

225412250 is an abundant number, since it is smaller than the sum of its proper divisors (265479502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225412250 is a wasteful number, since it uses less digits than its factorization.

225412250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18432 (or 18415 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 23.

The square root of 225412250 is about 15013.7353779797. The cubic root of 225412250 is about 608.5914377745.

Adding to 225412250 its reverse (52214522), we get a palindrome (277626772).

The spelling of 225412250 in words is "two hundred twenty-five million, four hundred twelve thousand, two hundred fifty".