6216220879 has 8 divisors (see below), whose sum is σ = 7076172672. Its totient is φ = 5405409240.

The previous prime is 6216220849. The next prime is 6216220951. The reversal of 6216220879 is 9780226126.

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

It is not a de Polignac number, because 6216220879 - 2¹⁷ = 6216089807 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6216220819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12284769 + ... + 12285274.

It is an arithmetic number, because the mean of its divisors is an integer number (884521584).

Almost surely, 2^6216220879 is an apocalyptic number.

6216220879 is a deficient number, since it is larger than the sum of its proper divisors (859951793).

6216220879 is a wasteful number, since it uses less digits than its factorization.

6216220879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24570077.

The product of its (nonzero) digits is 145152, while the sum is 43.

The square root of 6216220879 is about 78843.0141420278. The cubic root of 6216220879 is about 1838.6912636496.

The spelling of 6216220879 in words is "six billion, two hundred sixteen million, two hundred twenty thousand, eight hundred seventy-nine".