22203221212200 has 96 divisors (see below), whose sum is σ = 78662840880960. Its totient is φ = 5075021990400.

The previous prime is 22203221212171. The next prime is 22203221212229. The reversal of 22203221212200 is 221212230222.

It is an interprime number because it is at equal distance from previous prime (22203221212171) and next prime (22203221212229).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2643236421 + ... + 2643244820.

It is an arithmetic number, because the mean of its divisors is an integer number (819404592510).

Almost surely, 2^{22203221212200} is an apocalyptic number.

22203221212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22203221212200 is an abundant number, since it is smaller than the sum of its proper divisors (56459619668760).

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

22203221212200 is a wasteful number, since it uses less digits than its factorization.

22203221212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5286481267 (or 5286481258 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 22203221212200 its reverse (221212230222), we get a palindrome (22424433442422).

The spelling of 22203221212200 in words is "twenty-two trillion, two hundred three billion, two hundred twenty-one million, two hundred twelve thousand, two hundred".