18883354228 has 24 divisors (see below), whose sum is σ = 33159339752. Its totient is φ = 9409302144.

The previous prime is 18883354219. The next prime is 18883354261. The reversal of 18883354228 is 82245338881.

It can be written as a sum of positive squares in 4 ways, for example, as 12946343524 + 5937010704 = 113782^2 + 77052^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1959550 + ... + 1969162.

Almost surely, 2^18883354228 is an apocalyptic number.

It is an amenable number.

18883354228 is a deficient number, since it is larger than the sum of its proper divisors (14275985524).

18883354228 is a wasteful number, since it uses less digits than its factorization.

18883354228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11251 (or 11249 counting only the distinct ones).

The product of its digits is 2949120, while the sum is 52.

The spelling of 18883354228 in words is "eighteen billion, eight hundred eighty-three million, three hundred fifty-four thousand, two hundred twenty-eight".