22122202012200 has 144 divisors (see below), whose sum is σ = 74357180196000. Its totient is φ = 5894215516800.

The previous prime is 22122202012171. The next prime is 22122202012237. The reversal of 22122202012200 is 221020222122.

22122202012200 is a `hidden beast` number, since 2 + 21 + 2 + 220 + 201 + 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, 3139900 + ... + 7355499.

Almost surely, 2^{22122202012200} is an apocalyptic number.

22122202012200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22122202012200 is an abundant number, since it is smaller than the sum of its proper divisors (52234978183800).

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

22122202012200 is a wasteful number, since it uses less digits than its factorization.

22122202012200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10496592 (or 10496580 counting only the distinct ones).

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

Adding to 22122202012200 its reverse (221020222122), we get a palindrome (22343222234322).

The spelling of 22122202012200 in words is "twenty-two trillion, one hundred twenty-two billion, two hundred two million, twelve thousand, two hundred".