8199969228 has 60 divisors (see below), whose sum is σ = 23385107592. Its totient is φ = 2484838080.

The previous prime is 8199969221. The next prime is 8199969277. The reversal of 8199969228 is 8229699918.

It is not an unprimeable number, because it can be changed into a prime (8199969221) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1146825 + ... + 1153952.

Almost surely, 2^8199969228 is an apocalyptic number.

It is an amenable number.

8199969228 is an abundant number, since it is smaller than the sum of its proper divisors (15185138364).

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

8199969228 is a wasteful number, since it uses less digits than its factorization.

8199969228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2300804 (or 2300793 counting only the distinct ones).

The product of its digits is 10077696, while the sum is 63.

The square root of 8199969228 is about 90553.6814712687. The cubic root of 8199969228 is about 2016.5271527495.

The spelling of 8199969228 in words is "eight billion, one hundred ninety-nine million, nine hundred sixty-nine thousand, two hundred twenty-eight".