22506547312 has 20 divisors (see below), whose sum is σ = 44321296936. Its totient is φ = 11068793280.

The previous prime is 22506547307. The next prime is 22506547313. The reversal of 22506547312 is 21374560522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22506547313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11529018 + ... + 11530969.

Almost surely, 2^22506547312 is an apocalyptic number.

It is an amenable number.

22506547312 is a deficient number, since it is larger than the sum of its proper divisors (21814749624).

22506547312 is a wasteful number, since it uses less digits than its factorization.

22506547312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23060056 (or 23060050 counting only the distinct ones).

The product of its (nonzero) digits is 100800, while the sum is 37.

The spelling of 22506547312 in words is "twenty-two billion, five hundred six million, five hundred forty-seven thousand, three hundred twelve".