8648222 has 16 divisors (see below), whose sum is σ = 14420592. Its totient is φ = 3856320.

The previous prime is 8648221. The next prime is 8648239. The reversal of 8648222 is 2228468.

It is a happy number.

It is a super-2 number, since 2×8648222² = 149583487522568, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8648221) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 2543 + ... + 4874.

It is an arithmetic number, because the mean of its divisors is an integer number (901287).

Almost surely, 2^8648222 is an apocalyptic number.

8648222 is a deficient number, since it is larger than the sum of its proper divisors (5772370).

8648222 is a wasteful number, since it uses less digits than its factorization.

8648222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7483.

The product of its digits is 12288, while the sum is 32.

The square root of 8648222 is about 2940.7859493680. The cubic root of 8648222 is about 205.2621828829.

The spelling of 8648222 in words is "eight million, six hundred forty-eight thousand, two hundred twenty-two".