228512271 has 8 divisors (see below), whose sum is σ = 328120240. Its totient is φ = 140622912.

The previous prime is 228512269. The next prime is 228512281. The reversal of 228512271 is 172215822.

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

It is not a de Polignac number, because 228512271 - 2¹ = 228512269 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 (228512201) 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, 2929606 + ... + 2929683.

It is an arithmetic number, because the mean of its divisors is an integer number (41015030).

Almost surely, 2^228512271 is an apocalyptic number.

228512271 is a deficient number, since it is larger than the sum of its proper divisors (99607969).

228512271 is a wasteful number, since it uses less digits than its factorization.

228512271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5859305.

The product of its digits is 4480, while the sum is 30.

The square root of 228512271 is about 15116.6223409861. The cubic root of 228512271 is about 611.3686646971.

The spelling of 228512271 in words is "two hundred twenty-eight million, five hundred twelve thousand, two hundred seventy-one".