22759779648 has 112 divisors (see below), whose sum is σ = 60721443200. Its totient is φ = 7523518464.

The previous prime is 22759779613. The next prime is 22759779649. The reversal of 22759779648 is 84697795722.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22759779649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14250786 + ... + 14252382.

Almost surely, 2^22759779648 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 22759779648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30360721600).

22759779648 is an abundant number, since it is smaller than the sum of its proper divisors (37961663552).

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

22759779648 is a wasteful number, since it uses less digits than its factorization.

22759779648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2184 (or 2174 counting only the distinct ones).

The product of its digits is 106686720, while the sum is 66.

The spelling of 22759779648 in words is "twenty-two billion, seven hundred fifty-nine million, seven hundred seventy-nine thousand, six hundred forty-eight".