6222439 has 2 divisors, whose sum is σ = 6222440. Its totient is φ = 6222438.

The previous prime is 6222421. The next prime is 6222451. The reversal of 6222439 is 9342226.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6222439 - 2⁵ = 6222407 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6222409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3111219 + 3111220.

It is an arithmetic number, because the mean of its divisors is an integer number (3111220).

Almost surely, 2^6222439 is an apocalyptic number.

6222439 is a deficient number, since it is larger than the sum of its proper divisors (1).

6222439 is an equidigital number, since it uses as much as digits as its factorization.

6222439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 6222439 is about 2494.4817096944. The cubic root of 6222439 is about 183.9304143772.

The spelling of 6222439 in words is "six million, two hundred twenty-two thousand, four hundred thirty-nine".