2220200001 has 12 divisors (see below), whose sum is σ = 3211201812. Its totient is φ = 1478173536.

The previous prime is 2220199987. The next prime is 2220200029. The reversal of 2220200001 is 1000020222.

It can be written as a sum of positive squares in 2 ways, for example, as 1861059600 + 359140401 = 43140^2 + 18951^2 .

It is not a de Polignac number, because 2220200001 - 2⁶ = 2220199937 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (2220207001) 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, 156126 + ... + 169751.

It is an arithmetic number, because the mean of its divisors is an integer number (267600151).

Almost surely, 2^2220200001 is an apocalyptic number.

It is an amenable number.

2220200001 is a deficient number, since it is larger than the sum of its proper divisors (991001811).

2220200001 is a wasteful number, since it uses less digits than its factorization.

2220200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 326640 (or 326637 counting only the distinct ones).

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

The square root of 2220200001 is about 47118.9983021711. The cubic root of 2220200001 is about 1304.5599238373.

Adding to 2220200001 its reverse (1000020222), we get a palindrome (3220220223).

The spelling of 2220200001 in words is "two billion, two hundred twenty million, two hundred thousand, one".