1000220002200 has 144 divisors (see below), whose sum is σ = 3399543430920. Its totient is φ = 263511736320.

The previous prime is 1000220002157. The next prime is 1000220002261. The reversal of 1000220002200 is 22000220001.

It is a Harshad number since it is a multiple of its sum of digits (9).

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 35 ways as a sum of consecutive naturals, for example, 3198057 + ... + 3496856.

Almost surely, 2^{1000220002200} is an apocalyptic number.

1000220002200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000220002200 is an abundant number, since it is smaller than the sum of its proper divisors (2399323428720).

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

1000220002200 is a wasteful number, since it uses less digits than its factorization.

1000220002200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6695018 (or 6695006 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 1000220002200 its reverse (22000220001), we get a palindrome (1022220222201).

The spelling of 1000220002200 in words is "one trillion, two hundred twenty million, two thousand, two hundred".