2108471922 has 54 divisors (see below), whose sum is σ = 4660934733. Its totient is φ = 688862304.

The previous prime is 2108471909. The next prime is 2108471969. The reversal of 2108471922 is 2291748012.

It can be written as a sum of positive squares in 2 ways, for example, as 2092239081 + 16232841 = 45741^2 + 4029^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=32469.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 15390238 + ... + 15390374.

Almost surely, 2^2108471922 is an apocalyptic number.

2108471922 is an abundant number, since it is smaller than the sum of its proper divisors (2552462811).

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

2108471922 is an equidigital number, since it uses as much as digits as its factorization.

2108471922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 440 (or 221 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 2108471922 is about 45918.1001566920. The cubic root of 2108471922 is about 1282.2989126491.

The spelling of 2108471922 in words is "two billion, one hundred eight million, four hundred seventy-one thousand, nine hundred twenty-two".