2220100000 has 108 divisors (see below), whose sum is σ = 5500089378. Its totient is φ = 882080000.

The previous prime is 2220099997. The next prime is 2220100033. The reversal of 2220100000 is 10222.

It is a happy number.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 9 ways, for example, as 1903402384 + 316697616 = 43628^2 + 17796^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14899926 + ... + 14900074.

Almost surely, 2^2220100000 is an apocalyptic number.

2220100000 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 2220100000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2750044689).

2220100000 is an abundant number, since it is smaller than the sum of its proper divisors (3279989378).

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

2220100000 is an frugal number, since it uses more digits than its factorization.

2220100000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 7.

The square root of 2220100000 is about 47117.9371365089. The cubic root of 2220100000 is about 1304.5403371250.

Adding to 2220100000 its reverse (10222), we get a palindrome (2220110222).

The spelling of 2220100000 in words is "two billion, two hundred twenty million, one hundred thousand".