225235233 has 24 divisors (see below), whose sum is σ = 333186048. Its totient is φ = 146553792.

The previous prime is 225235229. The next prime is 225235259. The reversal of 225235233 is 332532522.

It is not a de Polignac number, because 225235233 - 2² = 225235229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225235197 and 225235206.

It is not an unprimeable number, because it can be changed into a prime (225235223) 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 23 ways as a sum of consecutive naturals, for example, 260560 + ... + 261422.

It is an arithmetic number, because the mean of its divisors is an integer number (13882752).

Almost surely, 2^225235233 is an apocalyptic number.

It is an amenable number.

225235233 is a deficient number, since it is larger than the sum of its proper divisors (107950815).

225235233 is a wasteful number, since it uses less digits than its factorization.

225235233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533 (or 1530 counting only the distinct ones).

The product of its digits is 10800, while the sum is 27.

The square root of 225235233 is about 15007.8390516423. The cubic root of 225235233 is about 608.4320864181.

Adding to 225235233 its reverse (332532522), we get a palindrome (557767755).

The spelling of 225235233 in words is "two hundred twenty-five million, two hundred thirty-five thousand, two hundred thirty-three".