228692886428 has 12 divisors (see below), whose sum is σ = 400247605800. Its totient is φ = 114336427632.

The previous prime is 228692886391. The next prime is 228692886437. The reversal of 228692886428 is 824688296822.

228692886428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2452403 + ... + 2543946.

It is an arithmetic number, because the mean of its divisors is an integer number (33353967150).

Almost surely, 2^228692886428 is an apocalyptic number.

It is an amenable number.

228692886428 is a deficient number, since it is larger than the sum of its proper divisors (171554719372).

228692886428 is a wasteful number, since it uses less digits than its factorization.

228692886428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5007796 (or 5007794 counting only the distinct ones).

The product of its digits is 84934656, while the sum is 65.

The spelling of 228692886428 in words is "two hundred twenty-eight billion, six hundred ninety-two million, eight hundred eighty-six thousand, four hundred twenty-eight".