8543222 has 4 divisors (see below), whose sum is σ = 12814836. Its totient is φ = 4271610.

The previous prime is 8543207. The next prime is 8543257. The reversal of 8543222 is 2223458.

It is a semiprime because it is the product of two primes.

It is a d-powerful number, because it can be written as 8³ + 5⁷ + 4⁷ + 3¹⁰ + 2⁵ + 2⁹ + 2²³ .

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 8543191 and 8543200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2135804 + ... + 2135807.

It is an arithmetic number, because the mean of its divisors is an integer number (3203709).

Almost surely, 2^8543222 is an apocalyptic number.

8543222 is a deficient number, since it is larger than the sum of its proper divisors (4271614).

8543222 is a wasteful number, since it uses less digits than its factorization.

8543222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4271613.

The product of its digits is 3840, while the sum is 26.

The square root of 8543222 is about 2922.8790601050. The cubic root of 8543222 is about 204.4280866936.

The spelling of 8543222 in words is "eight million, five hundred forty-three thousand, two hundred twenty-two".