22011215132 has 12 divisors (see below), whose sum is σ = 39415432056. Its totient is φ = 10749663120.

The previous prime is 22011215087. The next prime is 22011215153. The reversal of 22011215132 is 23151211022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 63985919 + ... + 63986262.

It is an arithmetic number, because the mean of its divisors is an integer number (3284619338).

Almost surely, 2^22011215132 is an apocalyptic number.

It is an amenable number.

22011215132 is a deficient number, since it is larger than the sum of its proper divisors (17404216924).

22011215132 is a wasteful number, since it uses less digits than its factorization.

22011215132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127972228 (or 127972226 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 20.

Adding to 22011215132 its reverse (23151211022), we get a palindrome (45162426154).

The spelling of 22011215132 in words is "twenty-two billion, eleven million, two hundred fifteen thousand, one hundred thirty-two".