22552688620 has 192 divisors, whose sum is σ = 60602121216. Its totient is φ = 6846750720.

The previous prime is 22552688611. The next prime is 22552688621. The reversal of 22552688620 is 2688625522.

It is not an unprimeable number, because it can be changed into a prime (22552688621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 9329652 + ... + 9332068.

It is an arithmetic number, because the mean of its divisors is an integer number (315636048).

Almost surely, 2^22552688620 is an apocalyptic number.

22552688620 is a gapful number since it is divisible by the number (20) 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 22552688620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30301060608).

22552688620 is an abundant number, since it is smaller than the sum of its proper divisors (38049432596).

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

22552688620 is a wasteful number, since it uses less digits than its factorization.

22552688620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2600 (or 2598 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 46.

The spelling of 22552688620 in words is "twenty-two billion, five hundred fifty-two million, six hundred eighty-eight thousand, six hundred twenty".