4221030203 has 4 divisors (see below), whose sum is σ = 4545724848. Its totient is φ = 3896335560.

The previous prime is 4221030169. The next prime is 4221030211. The reversal of 4221030203 is 3020301224.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4221030203 - 2⁸ = 4221029947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4221030223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162347303 + ... + 162347328.

It is an arithmetic number, because the mean of its divisors is an integer number (1136431212).

Almost surely, 2^4221030203 is an apocalyptic number.

4221030203 is a deficient number, since it is larger than the sum of its proper divisors (324694645).

4221030203 is a wasteful number, since it uses less digits than its factorization.

4221030203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324694644.

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

The square root of 4221030203 is about 64969.4559235338. The cubic root of 4221030203 is about 1616.1170790732.

Adding to 4221030203 its reverse (3020301224), we get a palindrome (7241331427).

The spelling of 4221030203 in words is "four billion, two hundred twenty-one million, thirty thousand, two hundred three".