2002444001 has 2 divisors, whose sum is σ = 2002444002. Its totient is φ = 2002444000.

The previous prime is 2002443983. The next prime is 2002444007. The reversal of 2002444001 is 1004442002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1076824225 + 925619776 = 32815^2 + 30424^2 .

It is a cyclic number.

It is not a de Polignac number, because 2002444001 - 2²⁶ = 1935335137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2002444007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1001222000 + 1001222001.

It is an arithmetic number, because the mean of its divisors is an integer number (1001222001).

Almost surely, 2^2002444001 is an apocalyptic number.

It is an amenable number.

2002444001 is a deficient number, since it is larger than the sum of its proper divisors (1).

2002444001 is an equidigital number, since it uses as much as digits as its factorization.

2002444001 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 2002444001 is about 44748.6759692396. The cubic root of 2002444001 is about 1260.4340490408.

Adding to 2002444001 its reverse (1004442002), we get a palindrome (3006886003).

The spelling of 2002444001 in words is "two billion, two million, four hundred forty-four thousand, one".