22575548799648 has 720 divisors, whose sum is σ = 72991424189376. Its totient is φ = 6841118269440.

The previous prime is 22575548799641. The next prime is 22575548799653. The reversal of 22575548799648 is 84699784557522.

22575548799648 is a `hidden beast` number, since 2 + 2 + 5 + 7 + 5 + 5 + 487 + 9 + 96 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is not an unprimeable number, because it can be changed into a prime (22575548799641) by changing a digit.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 8266402443 + ... + 8266405173.

Almost surely, 2^{22575548799648} 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 22575548799648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36495712094688).

22575548799648 is an abundant number, since it is smaller than the sum of its proper divisors (50415875389728).

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

22575548799648 is a wasteful number, since it uses less digits than its factorization.

22575548799648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3059 (or 3029 counting only the distinct ones).

The product of its digits is 12192768000, while the sum is 81.

The spelling of 22575548799648 in words is "twenty-two trillion, five hundred seventy-five billion, five hundred forty-eight million, seven hundred ninety-nine thousand, six hundred forty-eight".