22737973728 has 48 divisors (see below), whose sum is σ = 59714081280. Its totient is φ = 7575908736.

The previous prime is 22737973703. The next prime is 22737973729. The reversal of 22737973728 is 82737973722.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22737973729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 165393 + ... + 269871.

It is an arithmetic number, because the mean of its divisors is an integer number (1244043360).

Almost surely, 2^22737973728 is an apocalyptic number.

It is an amenable number.

22737973728 is an abundant number, since it is smaller than the sum of its proper divisors (36976107552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22737973728 is a wasteful number, since it uses less digits than its factorization.

22737973728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106759 (or 106751 counting only the distinct ones).

The product of its digits is 12446784, while the sum is 57.

The spelling of 22737973728 in words is "twenty-two billion, seven hundred thirty-seven million, nine hundred seventy-three thousand, seven hundred twenty-eight".