1002444205 has 12 divisors (see below), whose sum is σ = 1399330620. Its totient is φ = 687390144.

The previous prime is 1002444187. The next prime is 1002444221. The reversal of 1002444205 is 5024442001.

It is a happy number.

1002444205 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 311910921 + 690533284 = 17661^2 + 26278^2 .

It is not a de Polignac number, because 1002444205 - 2²¹ = 1000347053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2045560 + ... + 2046049.

It is an arithmetic number, because the mean of its divisors is an integer number (116610885).

Almost surely, 2^1002444205 is an apocalyptic number.

It is an amenable number.

1002444205 is a deficient number, since it is larger than the sum of its proper divisors (396886415).

1002444205 is an equidigital number, since it uses as much as digits as its factorization.

1002444205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091628 (or 4091621 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 1002444205 is about 31661.3992899872. The cubic root of 1002444205 is about 1000.8140721068.

Adding to 1002444205 its reverse (5024442001), we get a palindrome (6026886206).

The spelling of 1002444205 in words is "one billion, two million, four hundred forty-four thousand, two hundred five".