8086221 has 48 divisors (see below), whose sum is σ = 14082432. Its totient is φ = 4406400.

The previous prime is 8086213. The next prime is 8086223. The reversal of 8086221 is 1226808.

8086221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8086221 - 2³ = 8086213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8086223) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 78456 + ... + 78558.

It is an arithmetic number, because the mean of its divisors is an integer number (293384).

Almost surely, 2^8086221 is an apocalyptic number.

It is an amenable number.

8086221 is a deficient number, since it is larger than the sum of its proper divisors (5996211).

8086221 is a wasteful number, since it uses less digits than its factorization.

8086221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194 (or 191 counting only the distinct ones).

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

The square root of 8086221 is about 2843.6281402462. The cubic root of 8086221 is about 200.7159424076.

The spelling of 8086221 in words is "eight million, eighty-six thousand, two hundred twenty-one".