8221832849 has 4 divisors (see below), whose sum is σ = 8255948580. Its totient is φ = 8187717120.

The previous prime is 8221832837. The next prime is 8221832909. The reversal of 8221832849 is 9482381228.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6966406225 + 1255426624 = 83465^2 + 35432^2 .

It is a cyclic number.

It is not a de Polignac number, because 8221832849 - 2²⁴ = 8205055633 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8221832809) 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 3 ways as a sum of consecutive naturals, for example, 17057504 + ... + 17057985.

It is an arithmetic number, because the mean of its divisors is an integer number (2063987145).

Almost surely, 2^8221832849 is an apocalyptic number.

It is an amenable number.

8221832849 is a deficient number, since it is larger than the sum of its proper divisors (34115731).

8221832849 is a wasteful number, since it uses less digits than its factorization.

8221832849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34115730.

The product of its digits is 442368, while the sum is 47.

The square root of 8221832849 is about 90674.3229861685. The cubic root of 8221832849 is about 2018.3177878757.

The spelling of 8221832849 in words is "eight billion, two hundred twenty-one million, eight hundred thirty-two thousand, eight hundred forty-nine".