8221411 has 4 divisors (see below), whose sum is σ = 8968824. Its totient is φ = 7474000.

The previous prime is 8221403. The next prime is 8221427. The reversal of 8221411 is 1141228.

It is a happy number.

8221411 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.

It is a cyclic number.

It is not a de Polignac number, because 8221411 - 2³ = 8221403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8221111) 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, 373690 + ... + 373711.

It is an arithmetic number, because the mean of its divisors is an integer number (2242206).

Almost surely, 2^8221411 is an apocalyptic number.

8221411 is a deficient number, since it is larger than the sum of its proper divisors (747413).

8221411 is a wasteful number, since it uses less digits than its factorization.

8221411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747412.

The product of its digits is 128, while the sum is 19.

The square root of 8221411 is about 2867.3002981899. The cubic root of 8221411 is about 201.8283268407.

Adding to 8221411 its reverse (1141228), we get a palindrome (9362639).

The spelling of 8221411 in words is "eight million, two hundred twenty-one thousand, four hundred eleven".