6223439 has 2 divisors, whose sum is σ = 6223440. Its totient is φ = 6223438.

The previous prime is 6223397. The next prime is 6223463. The reversal of 6223439 is 9343226.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6223439 - 2²⁰ = 5174863 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6223489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3111719 + 3111720.

It is an arithmetic number, because the mean of its divisors is an integer number (3111720).

Almost surely, 2^6223439 is an apocalyptic number.

6223439 is a deficient number, since it is larger than the sum of its proper divisors (1).

6223439 is an equidigital number, since it uses as much as digits as its factorization.

6223439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 29.

The square root of 6223439 is about 2494.6821440817. The cubic root of 6223439 is about 183.9402669212.

The spelling of 6223439 in words is "six million, two hundred twenty-three thousand, four hundred thirty-nine".