2200100000 has 216 divisors, whose sum is σ = 6311900700. Its totient is φ = 752640000.

The previous prime is 2200099991. The next prime is 2200100017. The reversal of 2200100000 is 10022.

It can be written as a sum of positive squares in 6 ways, for example, as 190550416 + 2009549584 = 13804^2 + 44828^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 4899776 + ... + 4900224.

Almost surely, 2^2200100000 is an apocalyptic number.

2200100000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2200100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3155950350).

2200100000 is an abundant number, since it is smaller than the sum of its proper divisors (4111800700).

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

2200100000 is an frugal number, since it uses more digits than its factorization.

2200100000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 498 (or 463 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 5.

The square root of 2200100000 is about 46905.2235897027. The cubic root of 2200100000 is about 1300.6111524838.

Adding to 2200100000 its reverse (10022), we get a palindrome (2200110022).

The spelling of 2200100000 in words is "two billion, two hundred million, one hundred thousand".