6856422 has 8 divisors (see below), whose sum is σ = 13712856. Its totient is φ = 2285472.

The previous prime is 6856411. The next prime is 6856429. The reversal of 6856422 is 2246586.

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

6856422 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6856429) 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, 571363 + ... + 571374.

It is an arithmetic number, because the mean of its divisors is an integer number (1714107).

Almost surely, 2^6856422 is an apocalyptic number.

6856422 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6856422 is a wasteful number, since it uses less digits than its factorization.

6856422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1142742.

The product of its digits is 23040, while the sum is 33.

The square root of 6856422 is about 2618.4770382801. The cubic root of 6856422 is about 189.9761927696.

It can be divided in two parts, 68564 and 22, that added together give a palindrome (68586).

The spelling of 6856422 in words is "six million, eight hundred fifty-six thousand, four hundred twenty-two".