2122255115 has 4 divisors (see below), whose sum is σ = 2546706144. Its totient is φ = 1697804088.

The previous prime is 2122255073. The next prime is 2122255169. The reversal of 2122255115 is 5115522212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2122255115 - 2⁸ = 2122254859 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212225507 + ... + 212225516.

It is an arithmetic number, because the mean of its divisors is an integer number (636676536).

Almost surely, 2^2122255115 is an apocalyptic number.

2122255115 is a deficient number, since it is larger than the sum of its proper divisors (424451029).

2122255115 is an equidigital number, since it uses as much as digits as its factorization.

2122255115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424451028.

The product of its digits is 2000, while the sum is 26.

The square root of 2122255115 is about 46067.9402079147. The cubic root of 2122255115 is about 1285.0869982028.

Adding to 2122255115 its reverse (5115522212), we get a palindrome (7237777327).

The spelling of 2122255115 in words is "two billion, one hundred twenty-two million, two hundred fifty-five thousand, one hundred fifteen".