22204047600 has 720 divisors, whose sum is σ = 93157402624. Its totient is φ = 4790016000.

The previous prime is 22204047589. The next prime is 22204047601. The reversal of 22204047600 is 674040222.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (720).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22204047601) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 33591270 + ... + 33591930.

Almost surely, 2^22204047600 is an apocalyptic number.

22204047600 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 22204047600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46578701312).

22204047600 is an abundant number, since it is smaller than the sum of its proper divisors (70953355024).

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

22204047600 is a wasteful number, since it uses less digits than its factorization.

22204047600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 766 (or 752 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

Adding to 22204047600 its reverse (674040222), we get a palindrome (22878087822).

The spelling of 22204047600 in words is "twenty-two billion, two hundred four million, forty-seven thousand, six hundred".