2220000001 has 12 divisors (see below), whose sum is σ = 2283026148. Its totient is φ = 2158646784.

The previous prime is 2219999989. The next prime is 2220000031. The reversal of 2220000001 is 1000000222.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 906010000 + 1313990001 = 30100^2 + 36249^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2220000001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2220000031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 428241 + ... + 433393.

It is an arithmetic number, because the mean of its divisors is an integer number (190252179).

Almost surely, 2^2220000001 is an apocalyptic number.

It is an amenable number.

2220000001 is a deficient number, since it is larger than the sum of its proper divisors (63026147).

2220000001 is an equidigital number, since it uses as much as digits as its factorization.

2220000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5472 (or 5429 counting only the distinct ones).

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

The square root of 2220000001 is about 47116.8759681709. The cubic root of 2220000001 is about 1304.5207502163.

Adding to 2220000001 its reverse (1000000222), we get a palindrome (3220000223).

The spelling of 2220000001 in words is "two billion, two hundred twenty million, one", and thus it is an aban number.