228144271 has 4 divisors (see below), whose sum is σ = 229419000. Its totient is φ = 226869544.

The previous prime is 228144173. The next prime is 228144281. The reversal of 228144271 is 172441822.

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 228144271 - 2⁹ = 228143759 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 (228144281) 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, 637096 + ... + 637453.

It is an arithmetic number, because the mean of its divisors is an integer number (57354750).

Almost surely, 2^228144271 is an apocalyptic number.

228144271 is a deficient number, since it is larger than the sum of its proper divisors (1274729).

228144271 is a wasteful number, since it uses less digits than its factorization.

228144271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274728.

The product of its digits is 7168, while the sum is 31.

The square root of 228144271 is about 15104.4454052441. The cubic root of 228144271 is about 611.0403022445.

The spelling of 228144271 in words is "two hundred twenty-eight million, one hundred forty-four thousand, two hundred seventy-one".