4221445303 has 4 divisors (see below), whose sum is σ = 4239563328. Its totient is φ = 4203327280.

The previous prime is 4221445301. The next prime is 4221445309. The reversal of 4221445303 is 3035441224.

It is a happy number.

4221445303 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 4221445303 - 2¹ = 4221445301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4221445301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9058663 + ... + 9059128.

It is an arithmetic number, because the mean of its divisors is an integer number (1059890832).

Almost surely, 2^4221445303 is an apocalyptic number.

4221445303 is a deficient number, since it is larger than the sum of its proper divisors (18118025).

4221445303 is a wasteful number, since it uses less digits than its factorization.

4221445303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18118024.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 4221445303 is about 64972.6504230819. The cubic root of 4221445303 is about 1616.1700541510.

Adding to 4221445303 its reverse (3035441224), we get a palindrome (7256886527).

The spelling of 4221445303 in words is "four billion, two hundred twenty-one million, four hundred forty-five thousand, three hundred three".