2002444 has 12 divisors (see below), whose sum is σ = 3523968. Its totient is φ = 995600.

The previous prime is 2002417. The next prime is 2002453. The reversal of 2002444 is 4442002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 547 + ... + 2074.

It is an arithmetic number, because the mean of its divisors is an integer number (293664).

2^2002444 is an apocalyptic number.

It is an amenable number.

2002444 is a deficient number, since it is larger than the sum of its proper divisors (1521524).

2002444 is a wasteful number, since it uses less digits than its factorization.

2002444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2816 (or 2814 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2002444 is about 1415.0773830431. The cubic root of 2002444 is about 126.0434048831.

Adding to 2002444 its reverse (4442002), we get a palindrome (6444446).

It can be divided in two parts, 2002 and 444, that multiplied together give a palindrome (888888).

The spelling of 2002444 in words is "two million, two thousand, four hundred forty-four".