22004430000 has 300 divisors, whose sum is σ = 82636016760. Its totient is φ = 5029248000.

The previous prime is 22004429983. The next prime is 22004430011. The reversal of 22004430000 is 3440022.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (300).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 1462516 + ... + 1477484.

Almost surely, 2^22004430000 is an apocalyptic number.

22004430000 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 22004430000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41318008380).

22004430000 is an abundant number, since it is smaller than the sum of its proper divisors (60631586760).

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

22004430000 is a wasteful number, since it uses less digits than its factorization.

22004430000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15014 (or 14986 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 15.

Adding to 22004430000 its reverse (3440022), we get a palindrome (22007870022).

The spelling of 22004430000 in words is "twenty-two billion, four million, four hundred thirty thousand".