228426885818 has 8 divisors (see below), whose sum is σ = 342962665248. Its totient is φ = 114105997404.

The previous prime is 228426885811. The next prime is 228426885821. The reversal of 228426885818 is 818588624822.

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

It is not an unprimeable number, because it can be changed into a prime (228426885811) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53720096 + ... + 53724347.

It is an arithmetic number, because the mean of its divisors is an integer number (42870333156).

Almost surely, 2^228426885818 is an apocalyptic number.

228426885818 is a deficient number, since it is larger than the sum of its proper divisors (114535779430).

228426885818 is a wasteful number, since it uses less digits than its factorization.

228426885818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107445508.

The product of its digits is 31457280, while the sum is 62.

The spelling of 228426885818 in words is "two hundred twenty-eight billion, four hundred twenty-six million, eight hundred eighty-five thousand, eight hundred eighteen".