6895221 has 8 divisors (see below), whose sum is σ = 9231264. Its totient is φ = 4578000.

The previous prime is 6895201. The next prime is 6895223. The reversal of 6895221 is 1225986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6895221 - 2¹⁹ = 6370933 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6895223) 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 7 ways as a sum of consecutive naturals, for example, 3826 + ... + 5331.

It is an arithmetic number, because the mean of its divisors is an integer number (1153908).

Almost surely, 2^6895221 is an apocalyptic number.

It is an amenable number.

6895221 is a deficient number, since it is larger than the sum of its proper divisors (2336043).

6895221 is a wasteful number, since it uses less digits than its factorization.

6895221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9411.

The product of its digits is 8640, while the sum is 33.

The square root of 6895221 is about 2625.8752826439. The cubic root of 6895221 is about 190.3338635992. Note that the first 3 decimals are identical.

The spelling of 6895221 in words is "six million, eight hundred ninety-five thousand, two hundred twenty-one".