225093750 has 140 divisors (see below), whose sum is σ = 656475972. Its totient is φ = 51450000.

The previous prime is 225093749. The next prime is 225093761. The reversal of 225093750 is 57390522.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 69 ways as a sum of consecutive naturals, for example, 32156247 + ... + 32156253.

Almost surely, 2^225093750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225093750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328237986).

225093750 is an abundant number, since it is smaller than the sum of its proper divisors (431382222).

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

225093750 is an frugal number, since it uses more digits than its factorization.

225093750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63 (or 17 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 33.

The square root of 225093750 is about 15003.1246745470. The cubic root of 225093750 is about 608.3046628551.

The spelling of 225093750 in words is "two hundred twenty-five million, ninety-three thousand, seven hundred fifty".