225666112 has 56 divisors (see below), whose sum is σ = 528320000. Its totient is φ = 93588480.

The previous prime is 225666101. The next prime is 225666113. The reversal of 225666112 is 211666522.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (31).

It is not an unprimeable number, because it can be changed into a prime (225666113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5764 + ... + 22012.

Almost surely, 2^225666112 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 225666112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (264160000).

225666112 is an abundant number, since it is smaller than the sum of its proper divisors (302653888).

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

225666112 is a wasteful number, since it uses less digits than its factorization.

225666112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16299 (or 16289 counting only the distinct ones).

The product of its digits is 8640, while the sum is 31.

The square root of 225666112 is about 15022.1873240883. The cubic root of 225666112 is about 608.8198197377.

The spelling of 225666112 in words is "two hundred twenty-five million, six hundred sixty-six thousand, one hundred twelve".