228491555684 has 48 divisors (see below), whose sum is σ = 465930275328. Its totient is φ = 96010282368.

The previous prime is 228491555659. The next prime is 228491555713. The reversal of 228491555684 is 486555194822.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2103269 + ... + 2209235.

It is an arithmetic number, because the mean of its divisors is an integer number (9706880736).

Almost surely, 2^228491555684 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228491555684, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (232965137664).

228491555684 is an abundant number, since it is smaller than the sum of its proper divisors (237438719644).

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

228491555684 is a wasteful number, since it uses less digits than its factorization.

228491555684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107484 (or 107482 counting only the distinct ones).

The product of its digits is 27648000, while the sum is 59.

The spelling of 228491555684 in words is "two hundred twenty-eight billion, four hundred ninety-one million, five hundred fifty-five thousand, six hundred eighty-four".