8505822 has 16 divisors (see below), whose sum is σ = 18320400. Its totient is φ = 2617152.

The previous prime is 8505821. The next prime is 8505823. The reversal of 8505822 is 2285058.

8505822 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (8505821) and next prime (8505823).

It is a self number, because there is not a number n which added to its sum of digits gives 8505822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8505821) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54447 + ... + 54602.

It is an arithmetic number, because the mean of its divisors is an integer number (1145025).

Almost surely, 2^8505822 is an apocalyptic number.

8505822 is an abundant number, since it is smaller than the sum of its proper divisors (9814578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8505822 is a wasteful number, since it uses less digits than its factorization.

8505822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109067.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 8505822 is about 2916.4742412715. The cubic root of 8505822 is about 204.1293393558.

The spelling of 8505822 in words is "eight million, five hundred five thousand, eight hundred twenty-two".