9221849839 has 16 divisors (see below), whose sum is σ = 9778752000. Its totient is φ = 8678466720.

The previous prime is 9221849831. The next prime is 9221849863. The reversal of 9221849839 is 9389481229.

9221849839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9221849839 - 2³ = 9221849831 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9221849839.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9221849831) 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 15 ways as a sum of consecutive naturals, for example, 809209 + ... + 820525.

It is an arithmetic number, because the mean of its divisors is an integer number (611172000).

Almost surely, 2^9221849839 is an apocalyptic number.

9221849839 is a deficient number, since it is larger than the sum of its proper divisors (556902161).

9221849839 is a wasteful number, since it uses less digits than its factorization.

9221849839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11910.

The product of its digits is 2239488, while the sum is 55.

The square root of 9221849839 is about 96030.4630781295. The cubic root of 9221849839 is about 2097.0366244124.

The spelling of 9221849839 in words is "nine billion, two hundred twenty-one million, eight hundred forty-nine thousand, eight hundred thirty-nine".