8228644 has 12 divisors (see below), whose sum is σ = 14455168. Its totient is φ = 4098600.

The previous prime is 8228603. The next prime is 8228651. The reversal of 8228644 is 4468228.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

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 in 3 ways as a sum of consecutive naturals, for example, 2712 + ... + 4879.

Almost surely, 2^8228644 is an apocalyptic number.

It is an amenable number.

8228644 is a deficient number, since it is larger than the sum of its proper divisors (6226524).

8228644 is a wasteful number, since it uses less digits than its factorization.

8228644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7866 (or 7864 counting only the distinct ones).

The product of its digits is 24576, while the sum is 34.

The square root of 8228644 is about 2868.5613118774. The cubic root of 8228644 is about 201.8874973972.

The spelling of 8228644 in words is "eight million, two hundred twenty-eight thousand, six hundred forty-four".