22202221012200 has 144 divisors (see below), whose sum is σ = 75612634812000. Its totient is φ = 5837203612800.

The previous prime is 22202221012109. The next prime is 22202221012211. The reversal of 22202221012200 is 221012220222.

22202221012200 is a `hidden beast` number, since 2 + 220 + 2 + 221 + 0 + 1 + 220 + 0 = 666.

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

It is an unprimeable number.

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 35 ways as a sum of consecutive naturals, for example, 86735350 + ... + 86990949.

It is an arithmetic number, because the mean of its divisors is an integer number (525087741750).

Almost surely, 2^{22202221012200} is an apocalyptic number.

22202221012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22202221012200 is an abundant number, since it is smaller than the sum of its proper divisors (53410413799800).

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

22202221012200 is a wasteful number, since it uses less digits than its factorization.

22202221012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173726392 (or 173726380 counting only the distinct ones).

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

Adding to 22202221012200 its reverse (221012220222), we get a palindrome (22423233232422).

The spelling of 22202221012200 in words is "twenty-two trillion, two hundred two billion, two hundred twenty-one million, twelve thousand, two hundred".