6862221 has 12 divisors (see below), whose sum is σ = 10052640. Its totient is φ = 4509960.

The previous prime is 6862217. The next prime is 6862223. The reversal of 6862221 is 1222686.

6862221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6862221 - 2² = 6862217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6862223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4731 + ... + 6008.

It is an arithmetic number, because the mean of its divisors is an integer number (837720).

Almost surely, 2^6862221 is an apocalyptic number.

It is an amenable number.

6862221 is a deficient number, since it is larger than the sum of its proper divisors (3190419).

6862221 is a wasteful number, since it uses less digits than its factorization.

6862221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10816 (or 10813 counting only the distinct ones).

The product of its digits is 2304, while the sum is 27.

The square root of 6862221 is about 2619.5841272996. The cubic root of 6862221 is about 190.0297368046.

The spelling of 6862221 in words is "six million, eight hundred sixty-two thousand, two hundred twenty-one".