22012221202200 has 72 divisors (see below), whose sum is σ = 73924376210100. Its totient is φ = 5869925653440.

The previous prime is 22012221202187. The next prime is 22012221202241. The reversal of 22012221202200 is 220212221022.

22012221202200 is a `hidden beast` number, since 2 + 201 + 2 + 221 + 20 + 220 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 6114504090 + ... + 6114507689.

Almost surely, 2^{22012221202200} is an apocalyptic number.

22012221202200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012221202200 is an abundant number, since it is smaller than the sum of its proper divisors (51912155007900).

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

22012221202200 is a wasteful number, since it uses less digits than its factorization.

22012221202200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12229011801 (or 12229011789 counting only the distinct ones).

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

Adding to 22012221202200 its reverse (220212221022), we get a palindrome (22232433423222).

The spelling of 22012221202200 in words is "twenty-two trillion, twelve billion, two hundred twenty-one million, two hundred two thousand, two hundred".