2221000115 has 16 divisors (see below), whose sum is σ = 2761019136. Its totient is φ = 1713331200.

The previous prime is 2221000099. The next prime is 2221000121. The reversal of 2221000115 is 5110001222.

It is not a de Polignac number, because 2221000115 - 2⁴ = 2221000099 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2221000115.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18059 + ... + 69051.

It is an arithmetic number, because the mean of its divisors is an integer number (172563696).

Almost surely, 2^2221000115 is an apocalyptic number.

2221000115 is a deficient number, since it is larger than the sum of its proper divisors (540019021).

2221000115 is a wasteful number, since it uses less digits than its factorization.

2221000115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51310.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 2221000115 is about 47127.4878918875. The cubic root of 2221000115 is about 1304.7166171225.

Adding to 2221000115 its reverse (5110001222), we get a palindrome (7331001337).

The spelling of 2221000115 in words is "two billion, two hundred twenty-one million, one hundred fifteen", and thus it is an aban number.