422824109 has 2 divisors, whose sum is σ = 422824110. Its totient is φ = 422824108.

The previous prime is 422824091. The next prime is 422824133. The reversal of 422824109 is 901428224.

It is a happy number.

Together with previous prime (422824091) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 399880009 + 22944100 = 19997^2 + 4790^2 .

It is a cyclic number.

It is not a de Polignac number, because 422824109 - 2²⁸ = 154388653 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (422824139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 211412054 + 211412055.

It is an arithmetic number, because the mean of its divisors is an integer number (211412055).

Almost surely, 2^422824109 is an apocalyptic number.

It is an amenable number.

422824109 is a deficient number, since it is larger than the sum of its proper divisors (1).

422824109 is an equidigital number, since it uses as much as digits as its factorization.

422824109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 422824109 is about 20562.6873000588. The cubic root of 422824109 is about 750.5620137119.

The spelling of 422824109 in words is "four hundred twenty-two million, eight hundred twenty-four thousand, one hundred nine".