22004442200 has 72 divisors (see below), whose sum is σ = 55398546900. Its totient is φ = 8124704640.

The previous prime is 22004442199. The next prime is 22004442247. The reversal of 22004442200 is 224440022.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 291710 + ... + 359309.

Almost surely, 2^22004442200 is an apocalyptic number.

22004442200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22004442200 is an abundant number, since it is smaller than the sum of its proper divisors (33394104700).

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

22004442200 is a wasteful number, since it uses less digits than its factorization.

22004442200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651061 (or 651039 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22004442200 its reverse (224440022), we get a palindrome (22228882222).

The spelling of 22004442200 in words is "twenty-two billion, four million, four hundred forty-two thousand, two hundred".