2222122122200 has 48 divisors (see below), whose sum is σ = 5167075454160. Its totient is φ = 888738480000.

The previous prime is 2222122122193. The next prime is 2222122122281. The reversal of 2222122122200 is 22212212222.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 934445 + ... + 2305955.

It is an arithmetic number, because the mean of its divisors is an integer number (107647405295).

Almost surely, 2^{2222122122200} is an apocalyptic number.

2222122122200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222122122200 is an abundant number, since it is smaller than the sum of its proper divisors (2944953331960).

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

2222122122200 is a wasteful number, since it uses less digits than its factorization.

2222122122200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379628 (or 1379619 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2222122122200 its reverse (22212212222), we get a palindrome (2244334334422).

The spelling of 2222122122200 in words is "two trillion, two hundred twenty-two billion, one hundred twenty-two million, one hundred twenty-two thousand, two hundred".