228491555685 has 16 divisors (see below), whose sum is σ = 365679916416. Its totient is φ = 121831020608.

The previous prime is 228491555659. The next prime is 228491555713. The reversal of 228491555685 is 586555194822.

228491555685 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 228491555685 - 2⁵ = 228491555653 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 1885689 + ... + 2003198.

It is an arithmetic number, because the mean of its divisors is an integer number (22854994776).

Almost surely, 2^228491555685 is an apocalyptic number.

It is an amenable number.

228491555685 is a deficient number, since it is larger than the sum of its proper divisors (137188360731).

228491555685 is a wasteful number, since it uses less digits than its factorization.

228491555685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3892812.

The product of its digits is 34560000, while the sum is 60.

The spelling of 228491555685 in words is "two hundred twenty-eight billion, four hundred ninety-one million, five hundred fifty-five thousand, six hundred eighty-five".