2200001100 has 72 divisors (see below), whose sum is σ = 6944013888. Its totient is φ = 533332800.

The previous prime is 2200001077. The next prime is 2200001107. The reversal of 2200001100 is 11000022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (6).

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is a zygodrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (2200001107) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 330034 + ... + 336633.

Almost surely, 2^2200001100 is an apocalyptic number.

2200001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2200001100 is an abundant number, since it is smaller than the sum of its proper divisors (4744012788).

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

2200001100 is a wasteful number, since it uses less digits than its factorization.

2200001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666695 (or 666688 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 6.

The square root of 2200001100 is about 46904.1693242722. The cubic root of 2200001100 is about 1300.5916636166.

Adding to 2200001100 its reverse (11000022), we get a palindrome (2211001122).

The spelling of 2200001100 in words is "two billion, two hundred million, one thousand, one hundred".