22212201222000 has 240 divisors, whose sum is σ = 79230452176512. Its totient is φ = 5797226764800.

The previous prime is 22212201221963. The next prime is 22212201222007. The reversal of 22212201222000 is 22210221222.

22212201222000 is a `hidden beast` number, since 2 + 221 + 220 + 1 + 2 + 220 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22212201222007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12281779 + ... + 13973778.

Almost surely, 2^{22212201222000} is an apocalyptic number.

22212201222000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22212201222000 is an abundant number, since it is smaller than the sum of its proper divisors (57018250954512).

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

22212201222000 is a wasteful number, since it uses less digits than its factorization.

22212201222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26255633 (or 26255614 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22212201222000 its reverse (22210221222), we get a palindrome (22234411443222).

The spelling of 22212201222000 in words is "twenty-two trillion, two hundred twelve billion, two hundred one million, two hundred twenty-two thousand".