1886229198 has 48 divisors (see below), whose sum is σ = 4678473696. Its totient is φ = 538021440.

The previous prime is 1886229187. The next prime is 1886229211. The reversal of 1886229198 is 8919226881.

1886229198 is a `hidden beast` number, since 1 + 8 + 8 + 622 + 9 + 1 + 9 + 8 = 666.

1886229198 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 65028 + ... + 89448.

It is an arithmetic number, because the mean of its divisors is an integer number (97468202).

Almost surely, 2^1886229198 is an apocalyptic number.

1886229198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

1886229198 is an abundant number, since it is smaller than the sum of its proper divisors (2792244498).

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

1886229198 is a wasteful number, since it uses less digits than its factorization.

1886229198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25049 (or 25046 counting only the distinct ones).

The product of its digits is 995328, while the sum is 54.

The square root of 1886229198 is about 43430.7402423675. The cubic root of 1886229198 is about 1235.5627911342.

The spelling of 1886229198 in words is "one billion, eight hundred eighty-six million, two hundred twenty-nine thousand, one hundred ninety-eight".