6643922 has 8 divisors (see below), whose sum is σ = 10038000. Its totient is φ = 3297924.

The previous prime is 6643919. The next prime is 6643969. The reversal of 6643922 is 2293466.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11672 + ... + 12227.

It is an arithmetic number, because the mean of its divisors is an integer number (1254750).

Almost surely, 2^6643922 is an apocalyptic number.

6643922 is a deficient number, since it is larger than the sum of its proper divisors (3394078).

6643922 is a wasteful number, since it uses less digits than its factorization.

6643922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24040.

The product of its digits is 15552, while the sum is 32.

The square root of 6643922 is about 2577.5806485928. The cubic root of 6643922 is about 187.9929263975.

The spelling of 6643922 in words is "six million, six hundred forty-three thousand, nine hundred twenty-two".