22000403144 has 32 divisors (see below), whose sum is σ = 42759705600. Its totient is φ = 10600786560.

The previous prime is 22000403111. The next prime is 22000403153. The reversal of 22000403144 is 44130400022.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 126317 + ... + 244860.

It is an arithmetic number, because the mean of its divisors is an integer number (1336240800).

Almost surely, 2^22000403144 is an apocalyptic number.

It is an amenable number.

22000403144 is a deficient number, since it is larger than the sum of its proper divisors (20759302456).

22000403144 is a wasteful number, since it uses less digits than its factorization.

22000403144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371453 (or 371449 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22000403144 its reverse (44130400022), we get a palindrome (66130803166).

The spelling of 22000403144 in words is "twenty-two billion, four hundred three thousand, one hundred forty-four".