225512330 has 64 divisors (see below), whose sum is σ = 441158400. Its totient is φ = 82736640.

The previous prime is 225512269. The next prime is 225512333. The reversal of 225512330 is 33215522.

225512330 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 225512296 and 225512305.

It is not an unprimeable number, because it can be changed into a prime (225512333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 984656 + ... + 984884.

It is an arithmetic number, because the mean of its divisors is an integer number (6893100).

Almost surely, 2^225512330 is an apocalyptic number.

225512330 is a deficient number, since it is larger than the sum of its proper divisors (215646070).

225512330 is a wasteful number, since it uses less digits than its factorization.

225512330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 225512330 is about 15017.0679561624. The cubic root of 225512330 is about 608.6814932458.

Adding to 225512330 its reverse (33215522), we get a palindrome (258727852).

The spelling of 225512330 in words is "two hundred twenty-five million, five hundred twelve thousand, three hundred thirty".