7218982424 has 16 divisors (see below), whose sum is σ = 13667007120. Its totient is φ = 3574447200.

The previous prime is 7218982411. The next prime is 7218982429. The reversal of 7218982424 is 4242898127.

It is a super-2 number, since 2×7218982424² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7218982429) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4379627 + ... + 4381274.

It is an arithmetic number, because the mean of its divisors is an integer number (854187945).

Almost surely, 2^7218982424 is an apocalyptic number.

It is an amenable number.

7218982424 is a deficient number, since it is larger than the sum of its proper divisors (6448024696).

7218982424 is a wasteful number, since it uses less digits than its factorization.

7218982424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8761010 (or 8761006 counting only the distinct ones).

The product of its digits is 516096, while the sum is 47.

The square root of 7218982424 is about 84964.5951205560. The cubic root of 7218982424 is about 1932.6742549582.

The spelling of 7218982424 in words is "seven billion, two hundred eighteen million, nine hundred eighty-two thousand, four hundred twenty-four".