2099494221 has 16 divisors (see below), whose sum is σ = 3124830720. Its totient is φ = 1242828720.

The previous prime is 2099494193. The next prime is 2099494223. The reversal of 2099494221 is 1224949902.

It is not a de Polignac number, because 2099494221 - 2¹¹ = 2099492173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2099494223) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 738361 + ... + 741198.

It is an arithmetic number, because the mean of its divisors is an integer number (195301920).

Almost surely, 2^2099494221 is an apocalyptic number.

It is an amenable number.

2099494221 is a deficient number, since it is larger than the sum of its proper divisors (1025336499).

2099494221 is a wasteful number, since it uses less digits than its factorization.

2099494221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1479616.

The product of its (nonzero) digits is 93312, while the sum is 42.

The square root of 2099494221 is about 45820.2381159243. The cubic root of 2099494221 is about 1280.4763487884.

The spelling of 2099494221 in words is "two billion, ninety-nine million, four hundred ninety-four thousand, two hundred twenty-one".