13855306228 has 12 divisors (see below), whose sum is σ = 24277214052. Its totient is φ = 6918959360.

The previous prime is 13855306169. The next prime is 13855306261. The reversal of 13855306228 is 82260355831.

It can be written as a sum of positive squares in 2 ways, for example, as 11482836964 + 2372469264 = 107158^2 + 48708^2 .

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, 2169853 + ... + 2176228.

It is an arithmetic number, because the mean of its divisors is an integer number (2023101171).

Almost surely, 2^13855306228 is an apocalyptic number.

It is an amenable number.

13855306228 is a deficient number, since it is larger than the sum of its proper divisors (10421907824).

13855306228 is a wasteful number, since it uses less digits than its factorization.

13855306228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4346882 (or 4346880 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 43.

The spelling of 13855306228 in words is "thirteen billion, eight hundred fifty-five million, three hundred six thousand, two hundred twenty-eight".