228666489064 has 16 divisors (see below), whose sum is σ = 461730410820. Its totient is φ = 105538379520.

The previous prime is 228666489043. The next prime is 228666489071. The reversal of 228666489064 is 460984666822.

228666489064 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 224590688100 + 4075800964 = 473910^2 + 63842^2 .

It is a junction number, because it is equal to n+sod(n) for n = 228666488993 and 228666489011.

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, 1099358017 + ... + 1099358224.

Almost surely, 2^228666489064 is an apocalyptic number.

It is an amenable number.

228666489064 is an abundant number, since it is smaller than the sum of its proper divisors (233063921756).

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

228666489064 is a wasteful number, since it uses less digits than its factorization.

228666489064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198716260 (or 2198716256 counting only the distinct ones).

The product of its (nonzero) digits is 47775744, while the sum is 61.

The spelling of 228666489064 in words is "two hundred twenty-eight billion, six hundred sixty-six million, four hundred eighty-nine thousand, sixty-four".