822241809 has 24 divisors (see below), whose sum is σ = 1198229760. Its totient is φ = 543317472.

The previous prime is 822241793. The next prime is 822241811. The reversal of 822241809 is 908142228.

It is not a de Polignac number, because 822241809 - 2⁴ = 822241793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (822241859) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 539122 + ... + 540644.

It is an arithmetic number, because the mean of its divisors is an integer number (49926240).

Almost surely, 2^822241809 is an apocalyptic number.

It is an amenable number.

822241809 is a deficient number, since it is larger than the sum of its proper divisors (375987951).

822241809 is a wasteful number, since it uses less digits than its factorization.

822241809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2021 (or 2018 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 36.

The square root of 822241809 is about 28674.7590922749. The cubic root of 822241809 is about 936.8423581956.

The spelling of 822241809 in words is "eight hundred twenty-two million, two hundred forty-one thousand, eight hundred nine".