4421201 has 2 divisors, whose sum is σ = 4421202. Its totient is φ = 4421200.

The previous prime is 4421177. The next prime is 4421203. The reversal of 4421201 is 1021244.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4000000 + 421201 = 2000^2 + 649^2 .

It is a cyclic number.

It is not a de Polignac number, because 4421201 - 2¹⁴ = 4404817 is a prime.

It is a Sophie Germain prime.

Together with 4421203, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4421203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2210600 + 2210601.

It is an arithmetic number, because the mean of its divisors is an integer number (2210601).

Almost surely, 2^4421201 is an apocalyptic number.

It is an amenable number.

4421201 is a deficient number, since it is larger than the sum of its proper divisors (1).

4421201 is an equidigital number, since it uses as much as digits as its factorization.

4421201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 4421201 is about 2102.6652134850. The cubic root of 4421201 is about 164.1270208690.

Adding to 4421201 its reverse (1021244), we get a palindrome (5442445).

It can be divided in two parts, 4 and 421201, that multiplied together give a square (1684804 = 1298²).

The spelling of 4421201 in words is "four million, four hundred twenty-one thousand, two hundred one".