6646322 has 8 divisors (see below), whose sum is σ = 9982236. Its totient is φ = 3318912.

The previous prime is 6646319. The next prime is 6646331. The reversal of 6646322 is 2236466.

It can be written as a sum of positive squares in 2 ways, for example, as 4932841 + 1713481 = 2221^2 + 1309^2 .

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

It is a super-2 number, since 2×6646322² = 88347192255368, which contains 22 as substring.

It is an unprimeable number.

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, 458 + ... + 3674.

Almost surely, 2^6646322 is an apocalyptic number.

6646322 is a deficient number, since it is larger than the sum of its proper divisors (3335914).

6646322 is a wasteful number, since it uses less digits than its factorization.

6646322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4252.

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

The square root of 6646322 is about 2578.0461594006. The cubic root of 6646322 is about 188.0155600521.

The spelling of 6646322 in words is "six million, six hundred forty-six thousand, three hundred twenty-two".