225304345 has 16 divisors (see below), whose sum is σ = 309294720. Its totient is φ = 154341504.

The previous prime is 225304333. The next prime is 225304361. The reversal of 225304345 is 543403522.

It is a cyclic number.

It is not a de Polignac number, because 225304345 - 2⁷ = 225304217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41509 + ... + 46621.

It is an arithmetic number, because the mean of its divisors is an integer number (19330920).

Almost surely, 2^225304345 is an apocalyptic number.

It is an amenable number.

225304345 is a deficient number, since it is larger than the sum of its proper divisors (83990375).

225304345 is a wasteful number, since it uses less digits than its factorization.

225304345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6384.

The product of its (nonzero) digits is 14400, while the sum is 28.

The square root of 225304345 is about 15010.1414050634. The cubic root of 225304345 is about 608.4943112272.

Adding to 225304345 its reverse (543403522), we get a palindrome (768707867).

The spelling of 225304345 in words is "two hundred twenty-five million, three hundred four thousand, three hundred forty-five".