225704512 has 56 divisors (see below), whose sum is σ = 517367520. Its totient is φ = 96552960.

The previous prime is 225704503. The next prime is 225704519. The reversal of 225704512 is 215407522.

225704512 is digitally balanced in base 3, 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 (225704519) 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, 2539 + ... + 21397.

Almost surely, 2^225704512 is an apocalyptic number.

225704512 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225704512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (258683760).

225704512 is an abundant number, since it is smaller than the sum of its proper divisors (291663008).

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

225704512 is a wasteful number, since it uses less digits than its factorization.

225704512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18899 (or 18889 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 225704512 is about 15023.4653791993. The cubic root of 225704512 is about 608.8543506278.

The spelling of 225704512 in words is "two hundred twenty-five million, seven hundred four thousand, five hundred twelve".