228520108047 has 64 divisors (see below), whose sum is σ = 386008058880. Its totient is φ = 116803814400.

The previous prime is 228520108021. The next prime is 228520108067. The reversal of 228520108047 is 740801025822.

It is not a de Polignac number, because 228520108047 - 2¹² = 228520103951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 228520107996 and 228520108014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228520108067) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7083229 + ... + 7115417.

It is an arithmetic number, because the mean of its divisors is an integer number (6031375920).

Almost surely, 2^228520108047 is an apocalyptic number.

228520108047 is a deficient number, since it is larger than the sum of its proper divisors (157487950833).

228520108047 is a wasteful number, since it uses less digits than its factorization.

228520108047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32704.

The product of its (nonzero) digits is 71680, while the sum is 39.

The spelling of 228520108047 in words is "two hundred twenty-eight billion, five hundred twenty million, one hundred eight thousand, forty-seven".