2222001100 has 36 divisors (see below), whose sum is σ = 5260085208. Its totient is φ = 808000000.

The previous prime is 2222001073. The next prime is 2222001139. The reversal of 2222001100 is 11002222.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a zygodrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1008901 + ... + 1011100.

It is an arithmetic number, because the mean of its divisors is an integer number (146113478).

Almost surely, 2^2222001100 is an apocalyptic number.

2222001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2222001100 is an abundant number, since it is smaller than the sum of its proper divisors (3038084108).

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

2222001100 is a wasteful number, since it uses less digits than its factorization.

2222001100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2020026 (or 2020019 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 10.

The square root of 2222001100 is about 47138.1066654146. The cubic root of 2222001100 is about 1304.9125957423.

Adding to 2222001100 its reverse (11002222), we get a palindrome (2233003322).

The spelling of 2222001100 in words is "two billion, two hundred twenty-two million, one thousand, one hundred".