225220276250 has 160 divisors (see below), whose sum is σ = 451295539200. Its totient is φ = 84029400000.

The previous prime is 225220276219. The next prime is 225220276301. The reversal of 225220276250 is 52672022522.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 225220276250.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 594248561 + ... + 594248939.

It is an arithmetic number, because the mean of its divisors is an integer number (2820597120).

Almost surely, 2^225220276250 is an apocalyptic number.

225220276250 is an abundant number, since it is smaller than the sum of its proper divisors (226075262950).

225220276250 is a wasteful number, since it uses less digits than its factorization.

225220276250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 727 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

Adding to 225220276250 its reverse (52672022522), we get a palindrome (277892298772).

The spelling of 225220276250 in words is "two hundred twenty-five billion, two hundred twenty million, two hundred seventy-six thousand, two hundred fifty".