2221112005 has 16 divisors (see below), whose sum is σ = 3049683840. Its totient is φ = 1521254592.

The previous prime is 2221111993. The next prime is 2221112009. The reversal of 2221112005 is 5002111222.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 2221112005 - 2⁵ = 2221111973 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2221112005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221112009) 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, 6874 + ... + 67003.

It is an arithmetic number, because the mean of its divisors is an integer number (190605240).

Almost surely, 2^2221112005 is an apocalyptic number.

It is an amenable number.

2221112005 is a deficient number, since it is larger than the sum of its proper divisors (828571835).

2221112005 is an equidigital number, since it uses as much as digits as its factorization.

2221112005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74748.

The product of its (nonzero) digits is 80, while the sum is 16.

The square root of 2221112005 is about 47128.6749760695. The cubic root of 2221112005 is about 1304.7385265152.

Adding to 2221112005 its reverse (5002111222), we get a palindrome (7223223227).

The spelling of 2221112005 in words is "two billion, two hundred twenty-one million, one hundred twelve thousand, five".