6221724242 has 8 divisors (see below), whose sum is σ = 9633637632. Its totient is φ = 3010511700.

The previous prime is 6221724191. The next prime is 6221724259. The reversal of 6221724242 is 2424271226.

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

It is a junction number, because it is equal to n+sod(n) for n = 6221724199 and 6221724208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50175134 + ... + 50175257.

It is an arithmetic number, because the mean of its divisors is an integer number (1204204704).

Almost surely, 2^6221724242 is an apocalyptic number.

6221724242 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

6221724242 is a deficient number, since it is larger than the sum of its proper divisors (3411913390).

6221724242 is a wasteful number, since it uses less digits than its factorization.

6221724242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100350424.

The product of its digits is 21504, while the sum is 32.

The square root of 6221724242 is about 78877.9071857260. The cubic root of 6221724242 is about 1839.2337154567.

Adding to 6221724242 its reverse (2424271226), we get a palindrome (8645995468).

The spelling of 6221724242 in words is "six billion, two hundred twenty-one million, seven hundred twenty-four thousand, two hundred forty-two".