6848522221 has 4 divisors (see below), whose sum is σ = 6915012832. Its totient is φ = 6782031612.

The previous prime is 6848522119. The next prime is 6848522243. The reversal of 6848522221 is 1222258486.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6848522221 - 2¹⁷ = 6848391149 is a prime.

It is a super-2 number, since 2×6848522221² = 93804513223061545682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6848528221) 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, 33245151 + ... + 33245356.

It is an arithmetic number, because the mean of its divisors is an integer number (1728753208).

Almost surely, 2^6848522221 is an apocalyptic number.

It is an amenable number.

6848522221 is a deficient number, since it is larger than the sum of its proper divisors (66490611).

6848522221 is a wasteful number, since it uses less digits than its factorization.

6848522221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66490610.

The product of its digits is 122880, while the sum is 40.

The square root of 6848522221 is about 82755.7987152562. The cubic root of 6848522221 is about 1899.0320296581.

The spelling of 6848522221 in words is "six billion, eight hundred forty-eight million, five hundred twenty-two thousand, two hundred twenty-one".