225817433 has 2 divisors, whose sum is σ = 225817434. Its totient is φ = 225817432.

The previous prime is 225817363. The next prime is 225817441. The reversal of 225817433 is 334718522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 169312144 + 56505289 = 13012^2 + 7517^2 .

It is a cyclic number.

It is not a de Polignac number, because 225817433 - 2⁸ = 225817177 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 225817393 and 225817402.

It is not a weakly prime, because it can be changed into another prime (225810433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112908716 + 112908717.

It is an arithmetic number, because the mean of its divisors is an integer number (112908717).

Almost surely, 2^225817433 is an apocalyptic number.

It is an amenable number.

225817433 is a deficient number, since it is larger than the sum of its proper divisors (1).

225817433 is an equidigital number, since it uses as much as digits as its factorization.

225817433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40320, while the sum is 35.

The square root of 225817433 is about 15027.2230634938. The cubic root of 225817433 is about 608.9558712384.

It can be divided in two parts, 2258 and 17433, that added together give a palindrome (19691).

The spelling of 225817433 in words is "two hundred twenty-five million, eight hundred seventeen thousand, four hundred thirty-three".