6220421782 has 8 divisors (see below), whose sum is σ = 9355648896. Its totient is φ = 3101872152.

The previous prime is 6220421749. The next prime is 6220421789. The reversal of 6220421782 is 2871240226.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6220421789) 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, 4168438 + ... + 4169929.

It is an arithmetic number, because the mean of its divisors is an integer number (1169456112).

Almost surely, 2^6220421782 is an apocalyptic number.

6220421782 is a deficient number, since it is larger than the sum of its proper divisors (3135227114).

6220421782 is a wasteful number, since it uses less digits than its factorization.

6220421782 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8338742.

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 6220421782 is about 78869.6505761247. The cubic root of 6220421782 is about 1839.1053643527.

The spelling of 6220421782 in words is "six billion, two hundred twenty million, four hundred twenty-one thousand, seven hundred eighty-two".