6222643 has 8 divisors (see below), whose sum is σ = 7131488. Its totient is φ = 5318784.

The previous prime is 6222641. The next prime is 6222679. The reversal of 6222643 is 3462226.

It is a happy number.

6222643 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 6222643 - 2¹ = 6222641 is a prime.

It is a d-powerful number, because it can be written as 6⁴ + 2¹⁶ + 2¹⁸ + 2²² + 6⁸ + 4³ + 3⁹ .

It is not an unprimeable number, because it can be changed into a prime (6222641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2005 + ... + 4057.

It is an arithmetic number, because the mean of its divisors is an integer number (891436).

Almost surely, 2^6222643 is an apocalyptic number.

6222643 is a deficient number, since it is larger than the sum of its proper divisors (908845).

6222643 is a wasteful number, since it uses less digits than its factorization.

6222643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2493.

The product of its digits is 3456, while the sum is 25.

The square root of 6222643 is about 2494.5225996170. The cubic root of 6222643 is about 183.9324243819.

Adding to 6222643 its reverse (3462226), we get a palindrome (9684869).

The spelling of 6222643 in words is "six million, two hundred twenty-two thousand, six hundred forty-three".