225223235 has 16 divisors (see below), whose sum is σ = 276522336. Its totient is φ = 176037888.

The previous prime is 225223223. The next prime is 225223253. The reversal of 225223235 is 532322522.

It is a cyclic number.

It is not a de Polignac number, because 225223235 - 2⁶ = 225223171 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 66452 + ... + 69758.

It is an arithmetic number, because the mean of its divisors is an integer number (17282646).

Almost surely, 2^225223235 is an apocalyptic number.

225223235 is a deficient number, since it is larger than the sum of its proper divisors (51299101).

225223235 is a wasteful number, since it uses less digits than its factorization.

225223235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3622.

The product of its digits is 7200, while the sum is 26.

The square root of 225223235 is about 15007.4393218830. The cubic root of 225223235 is about 608.4212827534.

Adding to 225223235 its reverse (532322522), we get a palindrome (757545757).

The spelling of 225223235 in words is "two hundred twenty-five million, two hundred twenty-three thousand, two hundred thirty-five".