6866422 has 4 divisors (see below), whose sum is σ = 10299636. Its totient is φ = 3433210.

The previous prime is 6866413. The next prime is 6866437. The reversal of 6866422 is 2246686.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1716604 + ... + 1716607.

It is an arithmetic number, because the mean of its divisors is an integer number (2574909).

Almost surely, 2^6866422 is an apocalyptic number.

6866422 is a deficient number, since it is larger than the sum of its proper divisors (3433214).

6866422 is a wasteful number, since it uses less digits than its factorization.

6866422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3433213.

The product of its digits is 27648, while the sum is 34.

The square root of 6866422 is about 2620.3858494504. The cubic root of 6866422 is about 190.0685071518.

It can be divided in two parts, 68664 and 22, that added together give a palindrome (68686).

The spelling of 6866422 in words is "six million, eight hundred sixty-six thousand, four hundred twenty-two".