6659922 has 8 divisors (see below), whose sum is σ = 13319856. Its totient is φ = 2219972.

The previous prime is 6659921. The next prime is 6659929. The reversal of 6659922 is 2299566.

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

6659922 is an admirable number.

It is a super-2 number, since 2×6659922² = 88709122092168, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (6659921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 554988 + ... + 554999.

It is an arithmetic number, because the mean of its divisors is an integer number (1664982).

Almost surely, 2^6659922 is an apocalyptic number.

6659922 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6659922 is a wasteful number, since it uses less digits than its factorization.

6659922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109992.

The product of its digits is 58320, while the sum is 39.

The square root of 6659922 is about 2580.6824678755. The cubic root of 6659922 is about 188.1437146167.

The spelling of 6659922 in words is "six million, six hundred fifty-nine thousand, nine hundred twenty-two".