225428112 has 120 divisors (see below), whose sum is σ = 776519744. Its totient is φ = 59450112.

The previous prime is 225428089. The next prime is 225428117. The reversal of 225428112 is 211824522.

225428112 is a `hidden beast` number, since 2 + 2 + 542 + 8 + 112 = 666.

225428112 is digitally balanced in base 2, because in such base 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 (225428117) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4503 + ... + 21705.

Almost surely, 2^225428112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225428112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (388259872).

225428112 is an abundant number, since it is smaller than the sum of its proper divisors (551091632).

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

225428112 is a wasteful number, since it uses less digits than its factorization.

225428112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17237 (or 17228 counting only the distinct ones).

The product of its digits is 2560, while the sum is 27.

The square root of 225428112 is about 15014.2636183064. The cubic root of 225428112 is about 608.6057127321.

The spelling of 225428112 in words is "two hundred twenty-five million, four hundred twenty-eight thousand, one hundred twelve".