22444004002 has 32 divisors (see below), whose sum is σ = 39291955200. Its totient is φ = 9611189280.

The previous prime is 22444003991. The next prime is 22444004041. The reversal of 22444004002 is 20040044422.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 893823 + ... + 918589.

It is an arithmetic number, because the mean of its divisors is an integer number (1227873600).

Almost surely, 2^22444004002 is an apocalyptic number.

22444004002 is a deficient number, since it is larger than the sum of its proper divisors (16847951198).

22444004002 is a wasteful number, since it uses less digits than its factorization.

22444004002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26111 (or 26097 counting only the distinct ones).

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

Adding to 22444004002 its reverse (20040044422), we get a palindrome (42484048424).

The spelling of 22444004002 in words is "twenty-two billion, four hundred forty-four million, four thousand, two".