8336221 has 4 divisors (see below), whose sum is σ = 8356444. Its totient is φ = 8316000.

The previous prime is 8336213. The next prime is 8336227. The reversal of 8336221 is 1226338.

8336221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1226338 = 2 ⋅613169.

It can be written as a sum of positive squares in 2 ways, for example, as 12996 + 8323225 = 114^2 + 2885^2 .

It is a cyclic number.

It is not a de Polignac number, because 8336221 - 2³ = 8336213 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 (8336227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9480 + ... + 10321.

It is an arithmetic number, because the mean of its divisors is an integer number (2089111).

Almost surely, 2^8336221 is an apocalyptic number.

It is an amenable number.

8336221 is a deficient number, since it is larger than the sum of its proper divisors (20223).

8336221 is a wasteful number, since it uses less digits than its factorization.

8336221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20222.

The product of its digits is 1728, while the sum is 25.

The square root of 8336221 is about 2887.2514611651. The cubic root of 8336221 is about 202.7634816440.

The spelling of 8336221 in words is "eight million, three hundred thirty-six thousand, two hundred twenty-one".