228710785564 has 12 divisors (see below), whose sum is σ = 402894497488. Its totient is φ = 113598072000.

The previous prime is 228710785477. The next prime is 228710785607. The reversal of 228710785564 is 465587017822.

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, 189329517 + ... + 189330724.

Almost surely, 2^228710785564 is an apocalyptic number.

It is an amenable number.

228710785564 is a deficient number, since it is larger than the sum of its proper divisors (174183711924).

228710785564 is a wasteful number, since it uses less digits than its factorization.

228710785564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378660396 (or 378660394 counting only the distinct ones).

The product of its (nonzero) digits is 7526400, while the sum is 55.

The spelling of 228710785564 in words is "two hundred twenty-eight billion, seven hundred ten million, seven hundred eighty-five thousand, five hundred sixty-four".