228163871 has 8 divisors (see below), whose sum is σ = 248477040. Its totient is φ = 208245312.

The previous prime is 228163847. The next prime is 228163889. The reversal of 228163871 is 178361822.

228163871 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 228163871 - 2¹⁴ = 228147487 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 (228163801) 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, 97445 + ... + 99758.

It is an arithmetic number, because the mean of its divisors is an integer number (31059630).

Almost surely, 2^228163871 is an apocalyptic number.

228163871 is a deficient number, since it is larger than the sum of its proper divisors (20313169).

228163871 is a wasteful number, since it uses less digits than its factorization.

228163871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197305.

The product of its digits is 32256, while the sum is 38.

The square root of 228163871 is about 15105.0942069224. The cubic root of 228163871 is about 611.0578000131.

The spelling of 228163871 in words is "two hundred twenty-eight million, one hundred sixty-three thousand, eight hundred seventy-one".