2222211009 has 16 divisors (see below), whose sum is σ = 3046185792. Its totient is φ = 1439938368.

The previous prime is 2222211001. The next prime is 2222211149. The reversal of 2222211009 is 9001122222.

It is a happy number.

It is not a de Polignac number, because 2222211009 - 2³ = 2222211001 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2222211001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 102562 + ... + 122324.

It is an arithmetic number, because the mean of its divisors is an integer number (190386612).

Almost surely, 2^2222211009 is an apocalyptic number.

It is an amenable number.

2222211009 is a deficient number, since it is larger than the sum of its proper divisors (823974783).

2222211009 is a wasteful number, since it uses less digits than its factorization.

2222211009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20816.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 2222211009 is about 47140.3331447710. Note that the first 3 decimals coincide. The cubic root of 2222211009 is about 1304.9536854719.

The spelling of 2222211009 in words is "two billion, two hundred twenty-two million, two hundred eleven thousand, nine".