22109305600 has 216 divisors, whose sum is σ = 57017461760. Its totient is φ = 8480194560.

The previous prime is 22109305487. The next prime is 22109305609. The reversal of 22109305600 is 650390122.

It is a super-2 number, since 2×22109305600² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22109305609) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17285761 + ... + 17287039.

Almost surely, 2^22109305600 is an apocalyptic number.

22109305600 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 22109305600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28508730880).

22109305600 is an abundant number, since it is smaller than the sum of its proper divisors (34908156160).

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

22109305600 is a wasteful number, since it uses less digits than its factorization.

22109305600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1415 (or 1396 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 28.

Adding to 22109305600 its reverse (650390122), we get a palindrome (22759695722).

The spelling of 22109305600 in words is "twenty-two billion, one hundred nine million, three hundred five thousand, six hundred".