6395222 has 4 divisors (see below), whose sum is σ = 9592836. Its totient is φ = 3197610.

The previous prime is 6395209. The next prime is 6395227. The reversal of 6395222 is 2225936.

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

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6395227) 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 as a sum of consecutive naturals, namely, 1598804 + ... + 1598807.

It is an arithmetic number, because the mean of its divisors is an integer number (2398209).

Almost surely, 2^6395222 is an apocalyptic number.

6395222 is a deficient number, since it is larger than the sum of its proper divisors (3197614).

6395222 is a wasteful number, since it uses less digits than its factorization.

6395222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3197613.

The product of its digits is 6480, while the sum is 29.

The square root of 6395222 is about 2528.8776166513. The cubic root of 6395222 is about 185.6173386930.

The spelling of 6395222 in words is "six million, three hundred ninety-five thousand, two hundred twenty-two".