8221366 has 8 divisors (see below), whose sum is σ = 12344904. Its totient is φ = 4106400.

The previous prime is 8221349. The next prime is 8221391. The reversal of 8221366 is 6631228.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1486 + ... + 4318.

It is an arithmetic number, because the mean of its divisors is an integer number (1543113).

Almost surely, 2^8221366 is an apocalyptic number.

8221366 is a deficient number, since it is larger than the sum of its proper divisors (4123538).

8221366 is a wasteful number, since it uses less digits than its factorization.

8221366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286.

The product of its digits is 3456, while the sum is 28.

The square root of 8221366 is about 2867.2924510765. The cubic root of 8221366 is about 201.8279586034.

The spelling of 8221366 in words is "eight million, two hundred twenty-one thousand, three hundred sixty-six".