8563422 has 32 divisors (see below), whose sum is σ = 19948032. Its totient is φ = 2399904.

The previous prime is 8563421. The next prime is 8563463. The reversal of 8563422 is 2243658.

8563422 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a d-powerful number, because it can be written as 8³ + 5⁵ + 6⁸ + 3¹⁴ + 4² + 2⁵ + 2²¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 8563422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8563421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 303 + ... + 4149.

It is an arithmetic number, because the mean of its divisors is an integer number (623376).

Almost surely, 2^8563422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8563422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9974016).

8563422 is an abundant number, since it is smaller than the sum of its proper divisors (11384610).

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

8563422 is a wasteful number, since it uses less digits than its factorization.

8563422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3912.

The product of its digits is 11520, while the sum is 30.

The square root of 8563422 is about 2926.3325169912. The cubic root of 8563422 is about 204.5890797006.

It can be divided in two parts, 856 and 3422, that added together give a triangular number (4278 = T₉₂).

The spelling of 8563422 in words is "eight million, five hundred sixty-three thousand, four hundred twenty-two".