22748616648 has 48 divisors (see below), whose sum is σ = 61626321900. Its totient is φ = 7580966400.

The previous prime is 22748616643. The next prime is 22748616673. The reversal of 22748616648 is 84661684722.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 22747275684 + 1340964 = 150822^2 + 1158^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22748616594 and 22748616603.

It is not an unprimeable number, because it can be changed into a prime (22748616641) 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 11 ways as a sum of consecutive naturals, for example, 264868 + ... + 340076.

Almost surely, 2^22748616648 is an apocalyptic number.

It is an amenable number.

22748616648 is an abundant number, since it is smaller than the sum of its proper divisors (38877705252).

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

22748616648 is a wasteful number, since it uses less digits than its factorization.

22748616648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79422 (or 79415 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 54.

The spelling of 22748616648 in words is "twenty-two billion, seven hundred forty-eight million, six hundred sixteen thousand, six hundred forty-eight".