22205716788 has 96 divisors (see below), whose sum is σ = 54334022400. Its totient is φ = 7049491456.

The previous prime is 22205716787. The next prime is 22205716789. The reversal of 22205716788 is 88761750222.

It is an interprime number because it is at equal distance from previous prime (22205716787) and next prime (22205716789).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22205716783) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7960498 + ... + 7963286.

It is an arithmetic number, because the mean of its divisors is an integer number (565979400).

Almost surely, 2^22205716788 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 22205716788, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27167011200).

22205716788 is an abundant number, since it is smaller than the sum of its proper divisors (32128305612).

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

22205716788 is a wasteful number, since it uses less digits than its factorization.

22205716788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129 (or 3127 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 48.

The spelling of 22205716788 in words is "twenty-two billion, two hundred five million, seven hundred sixteen thousand, seven hundred eighty-eight".