222000200001 has 12 divisors (see below), whose sum is σ = 325923791700. Its totient is φ = 145573901280.

The previous prime is 222000199997. The next prime is 222000200003. The reversal of 222000200001 is 100002000222.

It can be written as a sum of positive squares in 2 ways, for example, as 100520068401 + 121480131600 = 317049^2 + 348540^2 .

It is not a de Polignac number, because 222000200001 - 2² = 222000199997 is a prime.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (222000200003) 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, 202185426 + ... + 202186523.

It is an arithmetic number, because the mean of its divisors is an integer number (27160315975).

Almost surely, 2^222000200001 is an apocalyptic number.

It is an amenable number.

222000200001 is a deficient number, since it is larger than the sum of its proper divisors (103923591699).

222000200001 is a wasteful number, since it uses less digits than its factorization.

222000200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404372016 (or 404372013 counting only the distinct ones).

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

Adding to 222000200001 its reverse (100002000222), we get a palindrome (322002200223).

The spelling of 222000200001 in words is "two hundred twenty-two billion, two hundred thousand, one".