225318271 has 8 divisors (see below), whose sum is σ = 233460144. Its totient is φ = 217284480.

The previous prime is 225318257. The next prime is 225318299. The reversal of 225318271 is 172813522.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225318271 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225318241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22765 + ... + 31126.

It is an arithmetic number, because the mean of its divisors is an integer number (29182518).

Almost surely, 2^225318271 is an apocalyptic number.

225318271 is a deficient number, since it is larger than the sum of its proper divisors (8141873).

225318271 is a wasteful number, since it uses less digits than its factorization.

225318271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54041.

The product of its digits is 6720, while the sum is 31.

The square root of 225318271 is about 15010.6052842649. The cubic root of 225318271 is about 608.5068479246.

The spelling of 225318271 in words is "two hundred twenty-five million, three hundred eighteen thousand, two hundred seventy-one".