22004334220 has 24 divisors (see below), whose sum is σ = 50409929808. Its totient is φ = 8001576000.

The previous prime is 22004334199. The next prime is 22004334221. The reversal of 22004334220 is 2243340022.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 22004334191 and 22004334200.

It is not an unprimeable number, because it can be changed into a prime (22004334221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50009631 + ... + 50010070.

It is an arithmetic number, because the mean of its divisors is an integer number (2100413742).

Almost surely, 2^22004334220 is an apocalyptic number.

22004334220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22004334220 is an abundant number, since it is smaller than the sum of its proper divisors (28405595588).

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

22004334220 is a wasteful number, since it uses less digits than its factorization.

22004334220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100019721 (or 100019719 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 22.

Adding to 22004334220 its reverse (2243340022), we get a palindrome (24247674242).

The spelling of 22004334220 in words is "twenty-two billion, four million, three hundred thirty-four thousand, two hundred twenty".