4221441001 has 2 divisors, whose sum is σ = 4221441002. Its totient is φ = 4221441000.

The previous prime is 4221440959. The next prime is 4221441019. The reversal of 4221441001 is 1001441224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3793944025 + 427496976 = 61595^2 + 20676^2 .

It is a cyclic number.

It is not a de Polignac number, because 4221441001 - 2¹⁷ = 4221309929 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4221441001.

It is not a weakly prime, because it can be changed into another prime (4221441041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110720500 + 2110720501.

It is an arithmetic number, because the mean of its divisors is an integer number (2110720501).

Almost surely, 2^4221441001 is an apocalyptic number.

It is an amenable number.

4221441001 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221441001 is an equidigital number, since it uses as much as digits as its factorization.

4221441001 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 19.

The square root of 4221441001 is about 64972.6173168359. The cubic root of 4221441001 is about 1616.1695051474.

Adding to 4221441001 its reverse (1001441224), we get a palindrome (5222882225).

The spelling of 4221441001 in words is "four billion, two hundred twenty-one million, four hundred forty-one thousand, one".