6422407 has 2 divisors, whose sum is σ = 6422408. Its totient is φ = 6422406.

The previous prime is 6422387. The next prime is 6422417. The reversal of 6422407 is 7042246.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6422407 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6422417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3211203 + 3211204.

It is an arithmetic number, because the mean of its divisors is an integer number (3211204).

Almost surely, 2^6422407 is an apocalyptic number.

6422407 is a deficient number, since it is larger than the sum of its proper divisors (1).

6422407 is an equidigital number, since it uses as much as digits as its factorization.

6422407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2688, while the sum is 25.

The square root of 6422407 is about 2534.2468309145. The cubic root of 6422407 is about 185.8799761373.

The spelling of 6422407 in words is "six million, four hundred twenty-two thousand, four hundred seven".