8220441 has 16 divisors (see below), whose sum is σ = 11291904. Its totient is φ = 5316864.

The previous prime is 8220419. The next prime is 8220461. The reversal of 8220441 is 1440228.

It is not a de Polignac number, because 8220441 - 2⁵ = 8220409 is a prime.

8220441 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8220461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24225 + ... + 24561.

It is an arithmetic number, because the mean of its divisors is an integer number (705744).

Almost surely, 2^8220441 is an apocalyptic number.

It is an amenable number.

8220441 is a deficient number, since it is larger than the sum of its proper divisors (3071463).

8220441 is a wasteful number, since it uses less digits than its factorization.

8220441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 8220441 is about 2867.1311445415. The cubic root of 8220441 is about 201.8203889828.

Adding to 8220441 its reverse (1440228), we get a palindrome (9660669).

The spelling of 8220441 in words is "eight million, two hundred twenty thousand, four hundred forty-one".