6224639 has 2 divisors, whose sum is σ = 6224640. Its totient is φ = 6224638.

The previous prime is 6224629. The next prime is 6224653. The reversal of 6224639 is 9364226.

6224639 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6224639 - 2¹⁶ = 6159103 is a prime.

It is a super-2 number, since 2×6224639² = 77492261360642, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6224629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3112319 + 3112320.

It is an arithmetic number, because the mean of its divisors is an integer number (3112320).

Almost surely, 2^6224639 is an apocalyptic number.

6224639 is a deficient number, since it is larger than the sum of its proper divisors (1).

6224639 is an equidigital number, since it uses as much as digits as its factorization.

6224639 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15552, while the sum is 32.

The square root of 6224639 is about 2494.9226440914. The cubic root of 6224639 is about 183.9520885810.

The spelling of 6224639 in words is "six million, two hundred twenty-four thousand, six hundred thirty-nine".