22604420000 has 120 divisors (see below), whose sum is σ = 56125862100. Its totient is φ = 8957952000.

The previous prime is 22604419991. The next prime is 22604420051. The reversal of 22604420000 is 2440622.

It can be written as a sum of positive squares in 10 ways, for example, as 4399934224 + 18204485776 = 66332^2 + 134924^2 .

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

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 19 ways as a sum of consecutive naturals, for example, 2174816 + ... + 2185184.

Almost surely, 2^22604420000 is an apocalyptic number.

22604420000 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 22604420000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28062931050).

22604420000 is an abundant number, since it is smaller than the sum of its proper divisors (33521442100).

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

22604420000 is a wasteful number, since it uses less digits than its factorization.

22604420000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10508 (or 10485 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

Adding to 22604420000 its reverse (2440622), we get a palindrome (22606860622).

The spelling of 22604420000 in words is "twenty-two billion, six hundred four million, four hundred twenty thousand".