225497443 has 2 divisors, whose sum is σ = 225497444. Its totient is φ = 225497442.

The previous prime is 225497387. The next prime is 225497449. The reversal of 225497443 is 344794522.

225497443 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225497443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225497396 and 225497405.

It is not a weakly prime, because it can be changed into another prime (225497449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112748721 + 112748722.

It is an arithmetic number, because the mean of its divisors is an integer number (112748722).

Almost surely, 2^225497443 is an apocalyptic number.

225497443 is a deficient number, since it is larger than the sum of its proper divisors (1).

225497443 is an equidigital number, since it uses as much as digits as its factorization.

225497443 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 40.

The square root of 225497443 is about 15016.5722786527. The cubic root of 225497443 is about 608.6680990915.

It can be divided in two parts, 22549 and 7443, that added together give a palindrome (29992).

The spelling of 225497443 in words is "two hundred twenty-five million, four hundred ninety-seven thousand, four hundred forty-three".