822171041 has 8 divisors (see below), whose sum is σ = 869671680. Its totient is φ = 775649952.

The previous prime is 822171037. The next prime is 822171061. The reversal of 822171041 is 140171228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 822171041 - 2² = 822171037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 822171041.

It is not an unprimeable number, because it can be changed into a prime (822171061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 243161 + ... + 246518.

It is an arithmetic number, because the mean of its divisors is an integer number (108708960).

Almost surely, 2^822171041 is an apocalyptic number.

It is an amenable number.

822171041 is a deficient number, since it is larger than the sum of its proper divisors (47500639).

822171041 is a wasteful number, since it uses less digits than its factorization.

822171041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489775.

The product of its (nonzero) digits is 896, while the sum is 26.

The square root of 822171041 is about 28673.5250884854. The cubic root of 822171041 is about 936.8154803107.

The spelling of 822171041 in words is "eight hundred twenty-two million, one hundred seventy-one thousand, forty-one".