8221107 has 16 divisors (see below), whose sum is σ = 11432960. Its totient is φ = 5248800.

The previous prime is 8221069. The next prime is 8221111. The reversal of 8221107 is 7011228.

It is not a de Polignac number, because 8221107 - 2⁸ = 8220851 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 (8221177) 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, 9732 + ... + 10542.

It is an arithmetic number, because the mean of its divisors is an integer number (714560).

Almost surely, 2^8221107 is an apocalyptic number.

8221107 is a deficient number, since it is larger than the sum of its proper divisors (3211853).

8221107 is a wasteful number, since it uses less digits than its factorization.

8221107 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 954.

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 8221107 is about 2867.2472861614. The cubic root of 8221107 is about 201.8258391669.

The spelling of 8221107 in words is "eight million, two hundred twenty-one thousand, one hundred seven".