225525233 has 2 divisors, whose sum is σ = 225525234. Its totient is φ = 225525232.

The previous prime is 225525227. The next prime is 225525241. The reversal of 225525233 is 332525522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 130599184 + 94926049 = 11428^2 + 9743^2 .

It is a cyclic number.

It is not a de Polignac number, because 225525233 - 2⁶ = 225525169 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225525196 and 225525205.

It is not a weakly prime, because it can be changed into another prime (225525253) 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, 112762616 + 112762617.

It is an arithmetic number, because the mean of its divisors is an integer number (112762617).

Almost surely, 2^225525233 is an apocalyptic number.

It is an amenable number.

225525233 is a deficient number, since it is larger than the sum of its proper divisors (1).

225525233 is an equidigital number, since it uses as much as digits as its factorization.

225525233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18000, while the sum is 29.

The square root of 225525233 is about 15017.4975611784. The cubic root of 225525233 is about 608.6931018757.

It can be divided in two parts, 22 and 5525233, that added together give a palindrome (5525255).

The spelling of 225525233 in words is "two hundred twenty-five million, five hundred twenty-five thousand, two hundred thirty-three".