6624224500 has 48 divisors (see below), whose sum is σ = 14502131280. Its totient is φ = 2643312000.

The previous prime is 6624224483. The next prime is 6624224531. The reversal of 6624224500 is 54224266.

It can be written as a sum of positive squares in 8 ways, for example, as 4548693136 + 2075531364 = 67444^2 + 45558^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 194766 + ... + 226234.

It is an arithmetic number, because the mean of its divisors is an integer number (302127735).

Almost surely, 2^6624224500 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6624224500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7251065640).

6624224500 is an abundant number, since it is smaller than the sum of its proper divisors (7877906780).

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

6624224500 is a wasteful number, since it uses less digits than its factorization.

6624224500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31909 (or 31897 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 6624224500 is about 81389.3389824490. The cubic root of 6624224500 is about 1878.0695912421.

Adding to 6624224500 its reverse (54224266), we get a palindrome (6678448766).

The spelling of 6624224500 in words is "six billion, six hundred twenty-four million, two hundred twenty-four thousand, five hundred".