4444423221003 has 16 divisors (see below), whose sum is σ = 6319619994240. Its totient is φ = 2768595417216.

The previous prime is 4444423221001. The next prime is 4444423221061. The reversal of 4444423221003 is 3001223244444.

It is not a de Polignac number, because 4444423221003 - 2¹ = 4444423221001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4444423221001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 313466125 + ... + 313480302.

It is an arithmetic number, because the mean of its divisors is an integer number (394976249640).

Almost surely, 2^{4444423221003} is an apocalyptic number.

4444423221003 is a deficient number, since it is larger than the sum of its proper divisors (1875196773237).

4444423221003 is a wasteful number, since it uses less digits than its factorization.

4444423221003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626946586.

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 4444423221003 its reverse (3001223244444), we get a palindrome (7445646465447).

The spelling of 4444423221003 in words is "four trillion, four hundred forty-four billion, four hundred twenty-three million, two hundred twenty-one thousand, three".