8144228 has 12 divisors (see below), whose sum is σ = 14303100. Its totient is φ = 4057632.

The previous prime is 8144221. The next prime is 8144233. The reversal of 8144228 is 8224418.

It can be written as a sum of positive squares in 2 ways, for example, as 7441984 + 702244 = 2728^2 + 838^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 8144228.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8144221) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2303 + ... + 4646.

It is an arithmetic number, because the mean of its divisors is an integer number (1191925).

Almost surely, 2^8144228 is an apocalyptic number.

It is an amenable number.

8144228 is a deficient number, since it is larger than the sum of its proper divisors (6158872).

8144228 is a wasteful number, since it uses less digits than its factorization.

8144228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7246 (or 7244 counting only the distinct ones).

The product of its digits is 4096, while the sum is 29.

The square root of 8144228 is about 2853.8093839638. The cubic root of 8144228 is about 201.1947486663.

The spelling of 8144228 in words is "eight million, one hundred forty-four thousand, two hundred twenty-eight".