6852221 has 4 divisors (see below), whose sum is σ = 6872892. Its totient is φ = 6831552.

The previous prime is 6852203. The next prime is 6852227. The reversal of 6852221 is 1222586.

6852221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1222586 = 2 ⋅611293.

It can be written as a sum of positive squares in 2 ways, for example, as 4644025 + 2208196 = 2155^2 + 1486^2 .

It is a cyclic number.

It is not a de Polignac number, because 6852221 - 2¹⁴ = 6835837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6852227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9830 + ... + 10503.

It is an arithmetic number, because the mean of its divisors is an integer number (1718223).

Almost surely, 2^6852221 is an apocalyptic number.

It is an amenable number.

6852221 is a deficient number, since it is larger than the sum of its proper divisors (20671).

6852221 is a wasteful number, since it uses less digits than its factorization.

6852221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20670.

The product of its digits is 1920, while the sum is 26.

The square root of 6852221 is about 2617.6747315127. The cubic root of 6852221 is about 189.9373847226.

The spelling of 6852221 in words is "six million, eight hundred fifty-two thousand, two hundred twenty-one".