2221222022200 has 24 divisors (see below), whose sum is σ = 5164341202080. Its totient is φ = 888488808800.

The previous prime is 2221222022183. The next prime is 2221222022267. The reversal of 2221222022200 is 22202221222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5553054856 + ... + 5553055255.

It is an arithmetic number, because the mean of its divisors is an integer number (215180883420).

Almost surely, 2^{2221222022200} is an apocalyptic number.

2221222022200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2221222022200 is an abundant number, since it is smaller than the sum of its proper divisors (2943119179880).

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

2221222022200 is a wasteful number, since it uses less digits than its factorization.

2221222022200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11106110127 (or 11106110118 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 2221222022200 its reverse (22202221222), we get a palindrome (2243424243422).

The spelling of 2221222022200 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, twenty-two thousand, two hundred".