6422567 has 2 divisors, whose sum is σ = 6422568. Its totient is φ = 6422566.

The previous prime is 6422561. The next prime is 6422569. The reversal of 6422567 is 7652246.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6422567 - 2¹⁸ = 6160423 is a prime.

Together with 6422569, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₄₃₉₈₄₄ and since 6422567 and 439844 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6422561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3211283 + 3211284.

It is an arithmetic number, because the mean of its divisors is an integer number (3211284).

Almost surely, 2^6422567 is an apocalyptic number.

6422567 is a deficient number, since it is larger than the sum of its proper divisors (1).

6422567 is an equidigital number, since it uses as much as digits as its factorization.

6422567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20160, while the sum is 32.

The square root of 6422567 is about 2534.2783982822. The cubic root of 6422567 is about 185.8815197200.

The spelling of 6422567 in words is "six million, four hundred twenty-two thousand, five hundred sixty-seven".