5228666 has 4 divisors (see below), whose sum is σ = 7843002. Its totient is φ = 2614332.

The previous prime is 5228651. The next prime is 5228683. The reversal of 5228666 is 6668225.

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

It can be written as a sum of positive squares in only one way, i.e., 5085025 + 143641 = 2255^2 + 379^2 .

It is an Ulam 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, 1307165 + ... + 1307168.

Almost surely, 2^5228666 is an apocalyptic number.

5228666 is a deficient number, since it is larger than the sum of its proper divisors (2614336).

5228666 is a wasteful number, since it uses less digits than its factorization.

5228666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614335.

The product of its digits is 34560, while the sum is 35.

The square root of 5228666 is about 2286.6276478692. The cubic root of 5228666 is about 173.5655918342.

The spelling of 5228666 in words is "five million, two hundred twenty-eight thousand, six hundred sixty-six".