6999238224 has 180 divisors, whose sum is σ = 21707166208. Its totient is φ = 2103615360.

The previous prime is 6999238177. The next prime is 6999238229. The reversal of 6999238224 is 4228329996.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6999238229) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2211267 + ... + 2214429.

Almost surely, 2^6999238224 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 6999238224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10853583104).

6999238224 is an abundant number, since it is smaller than the sum of its proper divisors (14707927984).

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

6999238224 is a wasteful number, since it uses less digits than its factorization.

6999238224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3326 (or 3306 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 54.

The square root of 6999238224 is about 83661.4500471992. The cubic root of 6999238224 is about 1912.8617885853.

The spelling of 6999238224 in words is "six billion, nine hundred ninety-nine million, two hundred thirty-eight thousand, two hundred twenty-four".