2003221430 has 48 divisors (see below), whose sum is σ = 4199475456. Its totient is φ = 686004480.

The previous prime is 2003221427. The next prime is 2003221463. The reversal of 2003221430 is 341223002.

It is a super-2 number, since 2×2003221430² = 8025792195222489800, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2003221399 and 2003221408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 530750 + ... + 534510.

It is an arithmetic number, because the mean of its divisors is an integer number (87489072).

Almost surely, 2^2003221430 is an apocalyptic number.

2003221430 is an abundant number, since it is smaller than the sum of its proper divisors (2196254026).

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

2003221430 is a wasteful number, since it uses less digits than its factorization.

2003221430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4869 (or 4862 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 2003221430 is about 44757.3617408354. The cubic root of 2003221430 is about 1260.5971449372.

Adding to 2003221430 its reverse (341223002), we get a palindrome (2344444432).

The spelling of 2003221430 in words is "two billion, three million, two hundred twenty-one thousand, four hundred thirty".