22212120300 has 72 divisors (see below), whose sum is σ = 64282094016. Its totient is φ = 5921847360.

The previous prime is 22212120299. The next prime is 22212120311. The reversal of 22212120300 is 302121222.

It is a happy number.

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 22212120300.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2312107 + ... + 2321693.

Almost surely, 2^22212120300 is an apocalyptic number.

22212120300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212120300 is an abundant number, since it is smaller than the sum of its proper divisors (42069973716).

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

22212120300 is a wasteful number, since it uses less digits than its factorization.

22212120300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17327 (or 17320 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 15.

Adding to 22212120300 its reverse (302121222), we get a palindrome (22514241522).

The spelling of 22212120300 in words is "twenty-two billion, two hundred twelve million, one hundred twenty thousand, three hundred".