228507705588 has 24 divisors (see below), whose sum is σ = 535711593760. Its totient is φ = 75808242720.

The previous prime is 228507705553. The next prime is 228507705599. The reversal of 228507705588 is 885507705822.

228507705588 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 7 ways as a sum of consecutive naturals, for example, 45121423 + ... + 45126486.

Almost surely, 2^228507705588 is an apocalyptic number.

It is an amenable number.

228507705588 is an abundant number, since it is smaller than the sum of its proper divisors (307203888172).

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

228507705588 is a wasteful number, since it uses less digits than its factorization.

228507705588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90248127 (or 90248125 counting only the distinct ones).

The product of its (nonzero) digits is 12544000, while the sum is 57.

The spelling of 228507705588 in words is "two hundred twenty-eight billion, five hundred seven million, seven hundred five thousand, five hundred eighty-eight".