22144333132 has 6 divisors (see below), whose sum is σ = 38752582988. Its totient is φ = 11072166564.

The previous prime is 22144333121. The next prime is 22144333153. The reversal of 22144333132 is 23133344122.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22144333132.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2768041638 + ... + 2768041645.

Almost surely, 2^22144333132 is an apocalyptic number.

It is an amenable number.

22144333132 is a deficient number, since it is larger than the sum of its proper divisors (16608249856).

22144333132 is a wasteful number, since it uses less digits than its factorization.

22144333132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5536083287 (or 5536083285 counting only the distinct ones).

The product of its digits is 10368, while the sum is 28.

Adding to 22144333132 its reverse (23133344122), we get a palindrome (45277677254).

The spelling of 22144333132 in words is "twenty-two billion, one hundred forty-four million, three hundred thirty-three thousand, one hundred thirty-two".