225323521250 has 40 divisors (see below), whose sum is σ = 425143760448. Its totient is φ = 89532450000.

The previous prime is 225323521223. The next prime is 225323521279. The reversal of 225323521250 is 52125323522.

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 19 ways as a sum of consecutive naturals, for example, 408134 + ... + 785633.

Almost surely, 2^225323521250 is an apocalyptic number.

225323521250 is a deficient number, since it is larger than the sum of its proper divisors (199820239198).

225323521250 is a wasteful number, since it uses less digits than its factorization.

225323521250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1193940 (or 1193925 counting only the distinct ones).

The product of its (nonzero) digits is 36000, while the sum is 32.

Adding to 225323521250 its reverse (52125323522), we get a palindrome (277448844772).

The spelling of 225323521250 in words is "two hundred twenty-five billion, three hundred twenty-three million, five hundred twenty-one thousand, two hundred fifty".