22001223300 has 72 divisors (see below), whose sum is σ = 72750718656. Its totient is φ = 5028850560.

The previous prime is 22001223281. The next prime is 22001223329. The reversal of 22001223300 is 332210022.

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

It is a self number, because there is not a number n which added to its sum of digits gives 22001223300.

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 23 ways as a sum of consecutive naturals, for example, 5236287 + ... + 5240486.

It is an arithmetic number, because the mean of its divisors is an integer number (1010426648).

Almost surely, 2^22001223300 is an apocalyptic number.

22001223300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22001223300 is an abundant number, since it is smaller than the sum of its proper divisors (50749495356).

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

22001223300 is a wasteful number, since it uses less digits than its factorization.

22001223300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10476797 (or 10476790 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

Adding to 22001223300 its reverse (332210022), we get a palindrome (22333433322).

The spelling of 22001223300 in words is "twenty-two billion, one million, two hundred twenty-three thousand, three hundred".