22200222021200 has 60 divisors (see below), whose sum is σ = 55654991403168. Its totient is φ = 8493997987200.

The previous prime is 22200222021157. The next prime is 22200222021227. The reversal of 22200222021200 is 212022200222.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 1206524606 + ... + 1206543005.

Almost surely, 2^{22200222021200} is an apocalyptic number.

22200222021200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22200222021200 is an abundant number, since it is smaller than the sum of its proper divisors (33454769381968).

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

22200222021200 is a wasteful number, since it uses less digits than its factorization.

22200222021200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413067652 (or 2413067641 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22200222021200 its reverse (212022200222), we get a palindrome (22412244221422).

The spelling of 22200222021200 in words is "twenty-two trillion, two hundred billion, two hundred twenty-two million, twenty-one thousand, two hundred".