4221442003 has 4 divisors (see below), whose sum is σ = 4260894840. Its totient is φ = 4181989168.

The previous prime is 4221441979. The next prime is 4221442007. The reversal of 4221442003 is 3002441224.

It is a happy number.

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 4221442003 - 2⁹ = 4221441491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4221442007) 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, 19726258 + ... + 19726471.

It is an arithmetic number, because the mean of its divisors is an integer number (1065223710).

Almost surely, 2^4221442003 is an apocalyptic number.

4221442003 is a deficient number, since it is larger than the sum of its proper divisors (39452837).

4221442003 is a wasteful number, since it uses less digits than its factorization.

4221442003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39452836.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 4221442003 is about 64972.6250277761. The cubic root of 4221442003 is about 1616.1696330185.

Adding to 4221442003 its reverse (3002441224), we get a palindrome (7223883227).

It can be divided in two parts, 4221 and 442003, that added together give a square (446224 = 668²).

The spelling of 4221442003 in words is "four billion, two hundred twenty-one million, four hundred forty-two thousand, three".