4220441 has 2 divisors, whose sum is σ = 4220442. Its totient is φ = 4220440.

The previous prime is 4220423. The next prime is 4220449. The reversal of 4220441 is 1440224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4182025 + 38416 = 2045^2 + 196^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4220441 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4220449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110220 + 2110221.

It is an arithmetic number, because the mean of its divisors is an integer number (2110221).

Almost surely, 2^4220441 is an apocalyptic number.

It is an amenable number.

4220441 is a deficient number, since it is larger than the sum of its proper divisors (1).

4220441 is an equidigital number, since it uses as much as digits as its factorization.

4220441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 4220441 is about 2054.3711933339. The cubic root of 4220441 is about 161.6041879000.

Adding to 4220441 its reverse (1440224), we get a palindrome (5660665).

The spelling of 4220441 in words is "four million, two hundred twenty thousand, four hundred forty-one".