6624422728 has 32 divisors (see below), whose sum is σ = 15485664960. Its totient is φ = 2580943680.

The previous prime is 6624422711. The next prime is 6624422731. The reversal of 6624422728 is 8272244266.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5376351 + ... + 5377582.

It is an arithmetic number, because the mean of its divisors is an integer number (483927030).

Almost surely, 2^6624422728 is an apocalyptic number.

It is an amenable number.

6624422728 is an abundant number, since it is smaller than the sum of its proper divisors (8861242232).

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

6624422728 is a wasteful number, since it uses less digits than its factorization.

6624422728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10753957 (or 10753953 counting only the distinct ones).

The product of its digits is 516096, while the sum is 43.

The square root of 6624422728 is about 81390.5567495394. The cubic root of 6624422728 is about 1878.0883246181.

The spelling of 6624422728 in words is "six billion, six hundred twenty-four million, four hundred twenty-two thousand, seven hundred twenty-eight".