22448207808 has 448 divisors, whose sum is σ = 73364547200. Its totient is φ = 6812522496.

The previous prime is 22448207797. The next prime is 22448207809. The reversal of 22448207808 is 80870284422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22448207809) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 307509660 + ... + 307509732.

It is an arithmetic number, because the mean of its divisors is an integer number (163760150).

Almost surely, 2^22448207808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22448207808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36682273600).

22448207808 is an abundant number, since it is smaller than the sum of its proper divisors (50916339392).

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

22448207808 is an frugal number, since it uses more digits than its factorization.

22448207808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 91 counting only the distinct ones).

The product of its (nonzero) digits is 458752, while the sum is 45.

The spelling of 22448207808 in words is "twenty-two billion, four hundred forty-eight million, two hundred seven thousand, eight hundred eight".