8221104 has 60 divisors (see below), whose sum is σ = 23644816. Its totient is φ = 2664576.

The previous prime is 8221069. The next prime is 8221111. The reversal of 8221104 is 4011228.

It is a Harshad number since it is a multiple of its sum of digits (18).

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 in 11 ways as a sum of consecutive naturals, for example, 4557 + ... + 6099.

Almost surely, 2^8221104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 8221104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11822408).

8221104 is an abundant number, since it is smaller than the sum of its proper divisors (15423712).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8221104 is a wasteful number, since it uses less digits than its factorization.

8221104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1594 (or 1585 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 8221104 is about 2867.2467630115. The cubic root of 8221104 is about 201.8258146171.

The spelling of 8221104 in words is "eight million, two hundred twenty-one thousand, one hundred four".