228061688 has 16 divisors (see below), whose sum is σ = 427776000. Its totient is φ = 113988096.

The previous prime is 228061663. The next prime is 228061733. The reversal of 228061688 is 886160822.

228061688 is digitally balanced in base 3, 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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38168 + ... + 43736.

It is an arithmetic number, because the mean of its divisors is an integer number (26736000).

Almost surely, 2^228061688 is an apocalyptic number.

It is an amenable number.

228061688 is a deficient number, since it is larger than the sum of its proper divisors (199714312).

228061688 is a wasteful number, since it uses less digits than its factorization.

228061688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10694 (or 10690 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 41.

The square root of 228061688 is about 15101.7114261927. The cubic root of 228061688 is about 610.9665658160.

The spelling of 228061688 in words is "two hundred twenty-eight million, sixty-one thousand, six hundred eighty-eight".