228542871 has 8 divisors (see below), whose sum is σ = 305233264. Its totient is φ = 152107200.

The previous prime is 228542863. The next prime is 228542891. The reversal of 228542871 is 178245822.

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

It is not a de Polignac number, because 228542871 - 2³ = 228542863 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 (228542851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61576 + ... + 65181.

It is an arithmetic number, because the mean of its divisors is an integer number (38154158).

Almost surely, 2^228542871 is an apocalyptic number.

228542871 is a deficient number, since it is larger than the sum of its proper divisors (76690393).

228542871 is a wasteful number, since it uses less digits than its factorization.

228542871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127361.

The product of its digits is 71680, while the sum is 39.

The square root of 228542871 is about 15117.6344379668. The cubic root of 228542871 is about 611.3959528686.

The spelling of 228542871 in words is "two hundred twenty-eight million, five hundred forty-two thousand, eight hundred seventy-one".