6422447 has 12 divisors (see below), whose sum is σ = 6940656. Its totient is φ = 5940480.

The previous prime is 6422443. The next prime is 6422453. The reversal of 6422447 is 7442246.

6422447 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 6422447 - 2² = 6422443 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6422441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20363 + ... + 20675.

It is an arithmetic number, because the mean of its divisors is an integer number (578388).

Almost surely, 2^6422447 is an apocalyptic number.

6422447 is a deficient number, since it is larger than the sum of its proper divisors (518209).

6422447 is a wasteful number, since it uses less digits than its factorization.

6422447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 418 (or 401 counting only the distinct ones).

The product of its digits is 10752, while the sum is 29.

The square root of 6422447 is about 2534.2547227933. The cubic root of 6422447 is about 185.8803620353.

The spelling of 6422447 in words is "six million, four hundred twenty-two thousand, four hundred forty-seven".