22168809600 has 384 divisors, whose sum is σ = 85237401600. Its totient is φ = 4958638080.

The previous prime is 22168809589. The next prime is 22168809617. The reversal of 22168809600 is 690886122.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×22168809600² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3154891 + ... + 3161909.

It is an arithmetic number, because the mean of its divisors is an integer number (221972400).

Almost surely, 2^22168809600 is an apocalyptic number.

22168809600 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 22168809600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42618700800).

22168809600 is an abundant number, since it is smaller than the sum of its proper divisors (63068592000).

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

22168809600 is a wasteful number, since it uses less digits than its factorization.

22168809600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7100 (or 7083 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 22168809600 in words is "twenty-two billion, one hundred sixty-eight million, eight hundred nine thousand, six hundred".