6623422 has 8 divisors (see below), whose sum is σ = 10699416. Its totient is φ = 3056952.

The previous prime is 6623417. The next prime is 6623423. The reversal of 6623422 is 2243266.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6623423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 127348 + ... + 127399.

It is an arithmetic number, because the mean of its divisors is an integer number (1337427).

Almost surely, 2^6623422 is an apocalyptic number.

6623422 is a deficient number, since it is larger than the sum of its proper divisors (4075994).

6623422 is a wasteful number, since it uses less digits than its factorization.

6623422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254762.

The product of its digits is 3456, while the sum is 25.

The square root of 6623422 is about 2573.6009791730. The cubic root of 6623422 is about 187.7993747812.

Adding to 6623422 its reverse (2243266), we get a palindrome (8866688).

The spelling of 6623422 in words is "six million, six hundred twenty-three thousand, four hundred twenty-two".