2221222222200 has 48 divisors (see below), whose sum is σ = 6885788890680. Its totient is φ = 592325925760.

The previous prime is 2221222222187. The next prime is 2221222222213. The reversal of 2221222222200 is 22222221222.

It is an interprime number because it is at equal distance from previous prime (2221222222187) and next prime (2221222222213).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1851017919 + ... + 1851019118.

Almost surely, 2^{2221222222200} is an apocalyptic number.

2221222222200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221222222200 is an abundant number, since it is smaller than the sum of its proper divisors (4664566668480).

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

2221222222200 is a wasteful number, since it uses less digits than its factorization.

2221222222200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3702037056 (or 3702037047 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

Adding to 2221222222200 its reverse (22222221222), we get a palindrome (2243444443422).

The spelling of 2221222222200 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred".