6636422 has 8 divisors (see below), whose sum is σ = 10720416. Its totient is φ = 3062952.

The previous prime is 6636359. The next prime is 6636433. The reversal of 6636422 is 2246366.

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

It is a congruent number.

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, 127598 + ... + 127649.

It is an arithmetic number, because the mean of its divisors is an integer number (1340052).

Almost surely, 2^6636422 is an apocalyptic number.

6636422 is a deficient number, since it is larger than the sum of its proper divisors (4083994).

6636422 is a wasteful number, since it uses less digits than its factorization.

6636422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255262.

The product of its digits is 10368, while the sum is 29.

The square root of 6636422 is about 2576.1253851472. The cubic root of 6636422 is about 187.9221610764.

The spelling of 6636422 in words is "six million, six hundred thirty-six thousand, four hundred twenty-two".