2215665114 has 128 divisors (see below), whose sum is σ = 5202247680. Its totient is φ = 622992384.

The previous prime is 2215665103. The next prime is 2215665161. The reversal of 2215665114 is 4115665122.

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 9935607 + ... + 9935829.

It is an arithmetic number, because the mean of its divisors is an integer number (40642560).

Almost surely, 2^2215665114 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2215665114, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2601123840).

2215665114 is an abundant number, since it is smaller than the sum of its proper divisors (2986582566).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2215665114 is a wasteful number, since it uses less digits than its factorization.

2215665114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 444.

The product of its digits is 14400, while the sum is 33.

The square root of 2215665114 is about 47070.8520636710. The cubic root of 2215665114 is about 1303.6711053585.

The spelling of 2215665114 in words is "two billion, two hundred fifteen million, six hundred sixty-five thousand, one hundred fourteen".