18828225192 has 128 divisors (see below), whose sum is σ = 55280332800. Its totient is φ = 5232377088.

The previous prime is 18828225181. The next prime is 18828225217. The reversal of 18828225192 is 29152282881.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1279734 + ... + 1294362.

It is an arithmetic number, because the mean of its divisors is an integer number (431877600).

Almost surely, 2^18828225192 is an apocalyptic number.

18828225192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18828225192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27640166400).

18828225192 is an abundant number, since it is smaller than the sum of its proper divisors (36452107608).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18828225192 is a wasteful number, since it uses less digits than its factorization.

18828225192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14855 (or 14851 counting only the distinct ones).

The product of its digits is 368640, while the sum is 48.

The spelling of 18828225192 in words is "eighteen billion, eight hundred twenty-eight million, two hundred twenty-five thousand, one hundred ninety-two".