2002444425 has 72 divisors (see below), whose sum is σ = 3698895200. Its totient is φ = 1034933760.

The previous prime is 2002444417. The next prime is 2002444441. The reversal of 2002444425 is 5244442002.

It is not a de Polignac number, because 2002444425 - 2³ = 2002444417 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1344081 + ... + 1345569.

Almost surely, 2^2002444425 is an apocalyptic number.

2002444425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

2002444425 is a deficient number, since it is larger than the sum of its proper divisors (1696450775).

2002444425 is a wasteful number, since it uses less digits than its factorization.

2002444425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1687 (or 1679 counting only the distinct ones).

The product of its (nonzero) digits is 10240, while the sum is 27.

The square root of 2002444425 is about 44748.6807068097. The cubic root of 2002444425 is about 1260.4341380028.

Adding to 2002444425 its reverse (5244442002), we get a palindrome (7246886427).

The spelling of 2002444425 in words is "two billion, two million, four hundred forty-four thousand, four hundred twenty-five".