225819712 has 28 divisors (see below), whose sum is σ = 471698320. Its totient is φ = 106966656.

The previous prime is 225819691. The next prime is 225819719. The reversal of 225819712 is 217918522.

225819712 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (225819719) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91638 + ... + 94069.

Almost surely, 2^225819712 is an apocalyptic number.

It is an amenable number.

225819712 is an abundant number, since it is smaller than the sum of its proper divisors (245878608).

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

225819712 is a wasteful number, since it uses less digits than its factorization.

225819712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185738 (or 185728 counting only the distinct ones).

The product of its digits is 20160, while the sum is 37.

The square root of 225819712 is about 15027.2988923492. The cubic root of 225819712 is about 608.9579198044.

The spelling of 225819712 in words is "two hundred twenty-five million, eight hundred nineteen thousand, seven hundred twelve".