8422559 has 2 divisors, whose sum is σ = 8422560. Its totient is φ = 8422558.

The previous prime is 8422549. The next prime is 8422571. The reversal of 8422559 is 9552248.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8422559 - 2⁴ = 8422543 is a prime.

It is a d-powerful number, because it can be written as 8⁵ + 4⁵ + 2²² + 2²² + 5² + 5³ + 9 .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8422549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4211279 + 4211280.

It is an arithmetic number, because the mean of its divisors is an integer number (4211280).

Almost surely, 2^8422559 is an apocalyptic number.

8422559 is a deficient number, since it is larger than the sum of its proper divisors (1).

8422559 is an equidigital number, since it uses as much as digits as its factorization.

8422559 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 28800, while the sum is 35.

The square root of 8422559 is about 2902.1645370309. The cubic root of 8422559 is about 203.4610839827.

The spelling of 8422559 in words is "eight million, four hundred twenty-two thousand, five hundred fifty-nine".