8221086 has 12 divisors (see below), whose sum is σ = 17812392. Its totient is φ = 2740356.

The previous prime is 8221069. The next prime is 8221111. The reversal of 8221086 is 6801228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 228346 + ... + 228381.

It is an arithmetic number, because the mean of its divisors is an integer number (1484366).

Almost surely, 2^8221086 is an apocalyptic number.

8221086 is an abundant number, since it is smaller than the sum of its proper divisors (9591306).

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

8221086 is a wasteful number, since it uses less digits than its factorization.

8221086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 456735 (or 456732 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 8221086 is about 2867.2436241101. The cubic root of 8221086 is about 201.8256673187.

The spelling of 8221086 in words is "eight million, two hundred twenty-one thousand, eighty-six".