2188232808 has 32 divisors (see below), whose sum is σ = 5506820160. Its totient is φ = 724579200.

The previous prime is 2188232807. The next prime is 2188232821. The reversal of 2188232808 is 8082328812.

It is a self number, because there is not a number n which added to its sum of digits gives 2188232808.

It is not an unprimeable number, because it can be changed into a prime (2188232801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298285 + ... + 305532.

It is an arithmetic number, because the mean of its divisors is an integer number (172088130).

Almost surely, 2^2188232808 is an apocalyptic number.

It is an amenable number.

2188232808 is an abundant number, since it is smaller than the sum of its proper divisors (3318587352).

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

2188232808 is a wasteful number, since it uses less digits than its factorization.

2188232808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 603977 (or 603973 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 2188232808 is about 46778.5507257333. The cubic root of 2188232808 is about 1298.2684655160.

The spelling of 2188232808 in words is "two billion, one hundred eighty-eight million, two hundred thirty-two thousand, eight hundred eight".