6893221 has 2 divisors, whose sum is σ = 6893222. Its totient is φ = 6893220.

The previous prime is 6893203. The next prime is 6893239. The reversal of 6893221 is 1223986.

It is a balanced prime because it is at equal distance from previous prime (6893203) and next prime (6893239).

It can be written as a sum of positive squares in only one way, i.e., 4601025 + 2292196 = 2145^2 + 1514^2 .

It is a cyclic number.

It is not a de Polignac number, because 6893221 - 2⁵ = 6893189 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6893251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3446610 + 3446611.

It is an arithmetic number, because the mean of its divisors is an integer number (3446611).

Almost surely, 2^6893221 is an apocalyptic number.

It is an amenable number.

6893221 is a deficient number, since it is larger than the sum of its proper divisors (1).

6893221 is an equidigital number, since it uses as much as digits as its factorization.

6893221 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 6893221 is about 2625.4944296265. The cubic root of 6893221 is about 190.3154593286.

The spelling of 6893221 in words is "six million, eight hundred ninety-three thousand, two hundred twenty-one".