1222202002200 has 48 divisors (see below), whose sum is σ = 3788826208680. Its totient is φ = 325920533760.

The previous prime is 1222202002187. The next prime is 1222202002283. The reversal of 1222202002200 is 22002022221.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1222202002200.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1018501069 + ... + 1018502268.

Almost surely, 2^{1222202002200} is an apocalyptic number.

1222202002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222202002200 is an abundant number, since it is smaller than the sum of its proper divisors (2566624206480).

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

1222202002200 is a wasteful number, since it uses less digits than its factorization.

1222202002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2037003356 (or 2037003347 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 1222202002200 its reverse (22002022221), we get a palindrome (1244204024421).

The spelling of 1222202002200 in words is "one trillion, two hundred twenty-two billion, two hundred two million, two thousand, two hundred".