2399787122 has 8 divisors (see below), whose sum is σ = 3660692400. Its totient is φ = 1179556324.

The previous prime is 2399787121. The next prime is 2399787127. The reversal of 2399787122 is 2217879932.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2399787121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10168472 + ... + 10168707.

It is an arithmetic number, because the mean of its divisors is an integer number (457586550).

Almost surely, 2^2399787122 is an apocalyptic number.

2399787122 is a deficient number, since it is larger than the sum of its proper divisors (1260905278).

2399787122 is a wasteful number, since it uses less digits than its factorization.

2399787122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20337240.

The product of its digits is 762048, while the sum is 50.

The square root of 2399787122 is about 48987.6221304933. The cubic root of 2399787122 is about 1338.8263135640.

The spelling of 2399787122 in words is "two billion, three hundred ninety-nine million, seven hundred eighty-seven thousand, one hundred twenty-two".