22440444003 has 6 divisors (see below), whose sum is σ = 32413974684. Its totient is φ = 14960295996.

The previous prime is 22440443999. The next prime is 22440444029. The reversal of 22440444003 is 30044404422.

It is a happy number.

It is not a de Polignac number, because 22440444003 - 2² = 22440443999 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22440444053) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1246691325 + ... + 1246691342.

It is an arithmetic number, because the mean of its divisors is an integer number (5402329114).

Almost surely, 2^22440444003 is an apocalyptic number.

22440444003 is a deficient number, since it is larger than the sum of its proper divisors (9973530681).

22440444003 is a wasteful number, since it uses less digits than its factorization.

22440444003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493382673 (or 2493382670 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 27.

Adding to 22440444003 its reverse (30044404422), we get a palindrome (52484848425).

The spelling of 22440444003 in words is "twenty-two billion, four hundred forty million, four hundred forty-four thousand, three".