225223223 has 2 divisors, whose sum is σ = 225223224. Its totient is φ = 225223222.

The previous prime is 225223217. The next prime is 225223253. The reversal of 225223223 is 322322522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225223223 - 2¹⁶ = 225157687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225223253) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112611611 + 112611612.

It is an arithmetic number, because the mean of its divisors is an integer number (112611612).

Almost surely, 2^225223223 is an apocalyptic number.

225223223 is a deficient number, since it is larger than the sum of its proper divisors (1).

225223223 is an equidigital number, since it uses as much as digits as its factorization.

225223223 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 23.

The square root of 225223223 is about 15007.4389220813. The cubic root of 225223223 is about 608.4212719477.

Adding to 225223223 its reverse (322322522), we get a palindrome (547545745).

The spelling of 225223223 in words is "two hundred twenty-five million, two hundred twenty-three thousand, two hundred twenty-three".