6221306 has 16 divisors (see below), whose sum is σ = 11485824. Its totient is φ = 2461104.

The previous prime is 6221287. The next prime is 6221309. The reversal of 6221306 is 6031226.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6221309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16910 + ... + 17273.

It is an arithmetic number, because the mean of its divisors is an integer number (717864).

Almost surely, 2^6221306 is an apocalyptic number.

6221306 is a deficient number, since it is larger than the sum of its proper divisors (5264518).

6221306 is a wasteful number, since it uses less digits than its factorization.

6221306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34205.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 6221306 is about 2494.2545980713. The cubic root of 6221306 is about 183.9192501693.

The spelling of 6221306 in words is "six million, two hundred twenty-one thousand, three hundred six".