2222000001 has 36 divisors (see below), whose sum is σ = 3503106048. Its totient is φ = 1356499872.

The previous prime is 2221999951. The next prime is 2222000029. The reversal of 2222000001 is 1000002222.

It is not a de Polignac number, because 2222000001 - 2⁹ = 2221999489 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 (2222000041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 187416 + ... + 198918.

Almost surely, 2^2222000001 is an apocalyptic number.

It is an amenable number.

2222000001 is a deficient number, since it is larger than the sum of its proper divisors (1281106047).

2222000001 is a wasteful number, since it uses less digits than its factorization.

2222000001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11662 (or 11646 counting only the distinct ones).

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

The square root of 2222000001 is about 47138.0950081778. The cubic root of 2222000001 is about 1304.9123806060.

Adding to 2222000001 its reverse (1000002222), we get a palindrome (3222002223).

The spelling of 2222000001 in words is "two billion, two hundred twenty-two million, one", and thus it is an aban number.