22748318208 has 960 divisors, whose sum is σ = 88670039040. Its totient is φ = 5689958400.

The previous prime is 22748318191. The next prime is 22748318213. The reversal of 22748318208 is 80281384722.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 320398813 + ... + 320398883.

It is an arithmetic number, because the mean of its divisors is an integer number (92364624).

Almost surely, 2^22748318208 is an apocalyptic number.

22748318208 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22748318208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44335019520).

22748318208 is an abundant number, since it is smaller than the sum of its proper divisors (65921720832).

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

22748318208 is a wasteful number, since it uses less digits than its factorization.

22748318208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The spelling of 22748318208 in words is "twenty-two billion, seven hundred forty-eight million, three hundred eighteen thousand, two hundred eight".