8549222 has 16 divisors (see below), whose sum is σ = 14169600. Its totient is φ = 3836040.

The previous prime is 8549201. The next prime is 8549243. The reversal of 8549222 is 2229458.

It is an interprime number because it is at equal distance from previous prime (8549201) and next prime (8549243).

It is an Ulam number.

It is a d-powerful number, because it can be written as 8 + 5⁵ + 4⁸ + 9⁵ + 2⁷ + 2¹⁵ + 2²³ .

It is a congruent number.

It is an unprimeable number.

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, 722 + ... + 4197.

It is an arithmetic number, because the mean of its divisors is an integer number (885600).

Almost surely, 2^8549222 is an apocalyptic number.

8549222 is a deficient number, since it is larger than the sum of its proper divisors (5620378).

8549222 is a wasteful number, since it uses less digits than its factorization.

8549222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5011.

The product of its digits is 11520, while the sum is 32.

The square root of 8549222 is about 2923.9052652232. The cubic root of 8549222 is about 204.4759328687.

The spelling of 8549222 in words is "eight million, five hundred forty-nine thousand, two hundred twenty-two".