228266688042 has 24 divisors (see below), whose sum is σ = 496402845120. Its totient is φ = 75808123560.

The previous prime is 228266687989. The next prime is 228266688101. The reversal of 228266688042 is 240886662822.

228266688042 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 228266688042.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23392692 + ... + 23402447.

It is an arithmetic number, because the mean of its divisors is an integer number (20683451880).

Almost surely, 2^228266688042 is an apocalyptic number.

228266688042 is an abundant number, since it is smaller than the sum of its proper divisors (268136157078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228266688042 is a wasteful number, since it uses less digits than its factorization.

228266688042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46795418 (or 46795415 counting only the distinct ones).

The product of its (nonzero) digits is 7077888, while the sum is 54.

The spelling of 228266688042 in words is "two hundred twenty-eight billion, two hundred sixty-six million, six hundred eighty-eight thousand, forty-two".