2163992244 has 48 divisors (see below), whose sum is σ = 5127131520. Its totient is φ = 710241280.

The previous prime is 2163992221. The next prime is 2163992291. The reversal of 2163992244 is 4422993612.

It is a junction number, because it is equal to n+sod(n) for n = 2163992196 and 2163992205.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1015372 + ... + 1017500.

It is an arithmetic number, because the mean of its divisors is an integer number (106815240).

Almost surely, 2^2163992244 is an apocalyptic number.

It is an amenable number.

2163992244 is an abundant number, since it is smaller than the sum of its proper divisors (2963139276).

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

2163992244 is a wasteful number, since it uses less digits than its factorization.

2163992244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3400 (or 3398 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 2163992244 is about 46518.7300342561. The cubic root of 2163992244 is about 1293.4567154466.

The spelling of 2163992244 in words is "two billion, one hundred sixty-three million, nine hundred ninety-two thousand, two hundred forty-four".