2213122115 has 4 divisors (see below), whose sum is σ = 2655746544. Its totient is φ = 1770497688.

The previous prime is 2213122103. The next prime is 2213122117. The reversal of 2213122115 is 5112213122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5112213122 = 2 ⋅2556106561.

It is a cyclic number.

It is not a de Polignac number, because 2213122115 - 2⁴ = 2213122099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2213122117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221312207 + ... + 221312216.

It is an arithmetic number, because the mean of its divisors is an integer number (663936636).

Almost surely, 2^2213122115 is an apocalyptic number.

2213122115 is a deficient number, since it is larger than the sum of its proper divisors (442624429).

2213122115 is an equidigital number, since it uses as much as digits as its factorization.

2213122115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442624428.

The product of its digits is 240, while the sum is 20.

The square root of 2213122115 is about 47043.8318486069. The cubic root of 2213122115 is about 1303.1721575943.

Adding to 2213122115 its reverse (5112213122), we get a palindrome (7325335237).

The spelling of 2213122115 in words is "two billion, two hundred thirteen million, one hundred twenty-two thousand, one hundred fifteen".