2003223444 has 24 divisors (see below), whose sum is σ = 4674939360. Its totient is φ = 667633824.

The previous prime is 2003223437. The next prime is 2003223449. The reversal of 2003223444 is 4443223002.

It is a super-2 number, since 2×2003223444² = 8025808333182442272, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003223449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109122 + ... + 126150.

It is an arithmetic number, because the mean of its divisors is an integer number (194789140).

Almost surely, 2^2003223444 is an apocalyptic number.

It is an amenable number.

2003223444 is an abundant number, since it is smaller than the sum of its proper divisors (2671715916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2003223444 is a wasteful number, since it uses less digits than its factorization.

2003223444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26839 (or 26837 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 2003223444 is about 44757.3842399218. The cubic root of 2003223444 is about 1260.5975673970.

Adding to 2003223444 its reverse (4443223002), we get a palindrome (6446446446).

The spelling of 2003223444 in words is "two billion, three million, two hundred twenty-three thousand, four hundred forty-four".