6543422 has 4 divisors (see below), whose sum is σ = 9815136. Its totient is φ = 3271710.

The previous prime is 6543403. The next prime is 6543443. The reversal of 6543422 is 2243456.

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

It is a junction number, because it is equal to n+sod(n) for n = 6543391 and 6543400.

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, 1635854 + ... + 1635857.

It is an arithmetic number, because the mean of its divisors is an integer number (2453784).

Almost surely, 2^6543422 is an apocalyptic number.

6543422 is a deficient number, since it is larger than the sum of its proper divisors (3271714).

6543422 is a wasteful number, since it uses less digits than its factorization.

6543422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3271713.

The product of its digits is 5760, while the sum is 26.

The square root of 6543422 is about 2558.0113369569. The cubic root of 6543422 is about 187.0402079268.

Adding to 6543422 its reverse (2243456), we get a palindrome (8786878).

It can be divided in two parts, 65434 and 22, that added together give a palindrome (65456).

The spelling of 6543422 in words is "six million, five hundred forty-three thousand, four hundred twenty-two".