2238409899 has 12 divisors (see below), whose sum is σ = 3527191512. Its totient is φ = 1356612000.

The previous prime is 2238409889. The next prime is 2238409919. The reversal of 2238409899 is 9989048322.

It is a happy number.

2238409899 is a `hidden beast` number, since 223 + 8 + 409 + 8 + 9 + 9 = 666.

It is not a de Polignac number, because 2238409899 - 2⁵ = 2238409867 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2238409889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11305002 + ... + 11305199.

It is an arithmetic number, because the mean of its divisors is an integer number (293932626).

Almost surely, 2^2238409899 is an apocalyptic number.

2238409899 is a deficient number, since it is larger than the sum of its proper divisors (1288781613).

2238409899 is a wasteful number, since it uses less digits than its factorization.

2238409899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22610218 (or 22610215 counting only the distinct ones).

The product of its (nonzero) digits is 2239488, while the sum is 54.

The square root of 2238409899 is about 47311.8367747438. The cubic root of 2238409899 is about 1308.1168480608.

The spelling of 2238409899 in words is "two billion, two hundred thirty-eight million, four hundred nine thousand, eight hundred ninety-nine".