228871018 has 8 divisors (see below), whose sum is σ = 346010112. Its totient is φ = 113534316.

The previous prime is 228871001. The next prime is 228871021. The reversal of 228871018 is 810178822.

228871018 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 an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 450280 + ... + 450787.

It is an arithmetic number, because the mean of its divisors is an integer number (43251264).

Almost surely, 2^228871018 is an apocalyptic number.

228871018 is a deficient number, since it is larger than the sum of its proper divisors (117139094).

228871018 is a wasteful number, since it uses less digits than its factorization.

228871018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 901196.

The product of its (nonzero) digits is 14336, while the sum is 37.

The square root of 228871018 is about 15128.4836649282. The cubic root of 228871018 is about 611.6884316225.

The spelling of 228871018 in words is "two hundred twenty-eight million, eight hundred seventy-one thousand, eighteen".