6226439 has 2 divisors, whose sum is σ = 6226440. Its totient is φ = 6226438.

The previous prime is 6226427. The next prime is 6226457. The reversal of 6226439 is 9346226.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6226439 - 2¹² = 6222343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6226469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3113219 + 3113220.

It is an arithmetic number, because the mean of its divisors is an integer number (3113220).

Almost surely, 2^6226439 is an apocalyptic number.

6226439 is a deficient number, since it is larger than the sum of its proper divisors (1).

6226439 is an equidigital number, since it uses as much as digits as its factorization.

6226439 is an evil number, because the sum of its binary digits is even.

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

The square root of 6226439 is about 2495.2833506438. The cubic root of 6226439 is about 183.9698182222.

The spelling of 6226439 in words is "six million, two hundred twenty-six thousand, four hundred thirty-nine".