225243234271 has 4 divisors (see below), whose sum is σ = 245719891944. Its totient is φ = 204766576600.

The previous prime is 225243234241. The next prime is 225243234313. The reversal of 225243234271 is 172432342522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225243234271 - 2⁹ = 225243233759 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225243234271.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225243234241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10238328820 + ... + 10238328841.

It is an arithmetic number, because the mean of its divisors is an integer number (61429972986).

Almost surely, 2^225243234271 is an apocalyptic number.

225243234271 is a deficient number, since it is larger than the sum of its proper divisors (20476657673).

225243234271 is a wasteful number, since it uses less digits than its factorization.

225243234271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20476657672.

The product of its digits is 161280, while the sum is 37.

Adding to 225243234271 its reverse (172432342522), we get a palindrome (397675576793).

The spelling of 225243234271 in words is "two hundred twenty-five billion, two hundred forty-three million, two hundred thirty-four thousand, two hundred seventy-one".