2222201009 has 12 divisors (see below), whose sum is σ = 2674149300. Its totient is φ = 1839061728.

The previous prime is 2222200997. The next prime is 2222201017. The reversal of 2222201009 is 9001022222.

It can be written as a sum of positive squares in 2 ways, for example, as 1386817600 + 835383409 = 37240^2 + 28903^2 .

It is not a de Polignac number, because 2222201009 - 2⁸ = 2222200753 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2222201309) 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, 780494 + ... + 783335.

It is an arithmetic number, because the mean of its divisors is an integer number (222845775).

Almost surely, 2^2222201009 is an apocalyptic number.

2222201009 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2222201009 is a deficient number, since it is larger than the sum of its proper divisors (451948291).

2222201009 is a wasteful number, since it uses less digits than its factorization.

2222201009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1563872 (or 1563865 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 2222201009 is about 47140.2270783669. The cubic root of 2222201009 is about 1304.9517280285.

The spelling of 2222201009 in words is "two billion, two hundred twenty-two million, two hundred one thousand, nine".