8221367 has 16 divisors (see below), whose sum is σ = 10464000. Its totient is φ = 6403320.

The previous prime is 8221349. The next prime is 8221391. The reversal of 8221367 is 7631228.

It is a happy number.

It is not a de Polignac number, because 8221367 - 2⁸ = 8221111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8221337) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2684 + ... + 4862.

It is an arithmetic number, because the mean of its divisors is an integer number (654000).

Almost surely, 2^8221367 is an apocalyptic number.

8221367 is a deficient number, since it is larger than the sum of its proper divisors (2242633).

8221367 is a wasteful number, since it uses less digits than its factorization.

8221367 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211 (or 2197 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 8221367 is about 2867.2926254570. The cubic root of 8221367 is about 201.8279667864.

The spelling of 8221367 in words is "eight million, two hundred twenty-one thousand, three hundred sixty-seven".