2000222100 has 90 divisors (see below), whose sum is σ = 6483956094. Its totient is φ = 533390400.

The previous prime is 2000222089. The next prime is 2000222113. The reversal of 2000222100 is 12220002.

It can be written as a sum of positive squares in 3 ways, for example, as 229159044 + 1771063056 = 15138^2 + 42084^2 .

It is a tau number, because it is divible by the number of its divisors (90).

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 (19) of ones.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 115371 + ... + 131570.

Almost surely, 2^2000222100 is an apocalyptic number.

2000222100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2000222100 is an abundant number, since it is smaller than the sum of its proper divisors (4483733994).

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

2000222100 is a wasteful number, since it uses less digits than its factorization.

2000222100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 246967 (or 246951 counting only the distinct ones).

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

The square root of 2000222100 is about 44723.8426345501. The cubic root of 2000222100 is about 1259.9676862461.

Adding to 2000222100 its reverse (12220002), we get a palindrome (2012442102).

The spelling of 2000222100 in words is "two billion, two hundred twenty-two thousand, one hundred".