22202002444 has 12 divisors (see below), whose sum is σ = 39137107464. Its totient is φ = 11019971744.

The previous prime is 22202002409. The next prime is 22202002447. The reversal of 22202002444 is 44420020222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (22202002447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20256754 + ... + 20257849.

It is an arithmetic number, because the mean of its divisors is an integer number (3261425622).

Almost surely, 2^22202002444 is an apocalyptic number.

It is an amenable number.

22202002444 is a deficient number, since it is larger than the sum of its proper divisors (16935105020).

22202002444 is a wasteful number, since it uses less digits than its factorization.

22202002444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40514744 (or 40514742 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 22202002444 its reverse (44420020222), we get a palindrome (66622022666).

The spelling of 22202002444 in words is "twenty-two billion, two hundred two million, two thousand, four hundred forty-four".