228480871 has 6 divisors (see below), whose sum is σ = 241139472. Its totient is φ = 216455220.

The previous prime is 228480869. The next prime is 228480949. The reversal of 228480871 is 178084822.

It is not a de Polignac number, because 228480871 - 2¹ = 228480869 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 (228480841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 316095 + ... + 316816.

It is an arithmetic number, because the mean of its divisors is an integer number (40189912).

Almost surely, 2^228480871 is an apocalyptic number.

228480871 is a deficient number, since it is larger than the sum of its proper divisors (12658601).

228480871 is an equidigital number, since it uses as much as digits as its factorization.

228480871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 632949 (or 632930 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 40.

The square root of 228480871 is about 15115.5837135057. The cubic root of 228480871 is about 611.3406605767.

The spelling of 228480871 in words is "two hundred twenty-eight million, four hundred eighty thousand, eight hundred seventy-one".