225611750 has 128 divisors (see below), whose sum is σ = 533385216. Its totient is φ = 69552000.

The previous prime is 225611741. The next prime is 225611773. The reversal of 225611750 is 57116522.

225611750 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 63 ways as a sum of consecutive naturals, for example, 1069145 + ... + 1069355.

It is an arithmetic number, because the mean of its divisors is an integer number (4167072).

Almost surely, 2^225611750 is an apocalyptic number.

225611750 is an abundant number, since it is smaller than the sum of its proper divisors (307773466).

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

225611750 is a wasteful number, since it uses less digits than its factorization.

225611750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 29.

The square root of 225611750 is about 15020.3778248085. The cubic root of 225611750 is about 608.7709284491.

The spelling of 225611750 in words is "two hundred twenty-five million, six hundred eleven thousand, seven hundred fifty".