19155083228 has 6 divisors (see below), whose sum is σ = 33521395656. Its totient is φ = 9577541612.

The previous prime is 19155083221. The next prime is 19155083249. The reversal of 19155083228 is 82238055191.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19155083221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2394385400 + ... + 2394385407.

It is an arithmetic number, because the mean of its divisors is an integer number (5586899276).

Almost surely, 2^19155083228 is an apocalyptic number.

It is an amenable number.

19155083228 is a deficient number, since it is larger than the sum of its proper divisors (14366312428).

19155083228 is a wasteful number, since it uses less digits than its factorization.

19155083228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4788770811 (or 4788770809 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 44.

The spelling of 19155083228 in words is "nineteen billion, one hundred fifty-five million, eighty-three thousand, two hundred twenty-eight".