22012212200 has 96 divisors (see below), whose sum is σ = 57756348000. Its totient is φ = 7728403200.

The previous prime is 22012212199. The next prime is 22012212217. The reversal of 22012212200 is 221221022.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 108710 + ... + 236309.

It is an arithmetic number, because the mean of its divisors is an integer number (601628625).

Almost surely, 2^22012212200 is an apocalyptic number.

22012212200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22012212200 is an abundant number, since it is smaller than the sum of its proper divisors (35744135800).

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

22012212200 is a wasteful number, since it uses less digits than its factorization.

22012212200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345075 (or 345066 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 22012212200 its reverse (221221022), we get a palindrome (22233433222).

The spelling of 22012212200 in words is "twenty-two billion, twelve million, two hundred twelve thousand, two hundred".