2216522145 has 16 divisors (see below), whose sum is σ = 3559245120. Its totient is φ = 1177875264.

The previous prime is 2216522131. The next prime is 2216522153. The reversal of 2216522145 is 5412256122.

It is not a de Polignac number, because 2216522145 - 2⁷ = 2216522017 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 262575 + ... + 270884.

It is an arithmetic number, because the mean of its divisors is an integer number (222452820).

Almost surely, 2^2216522145 is an apocalyptic number.

It is an amenable number.

2216522145 is a deficient number, since it is larger than the sum of its proper divisors (1342722975).

2216522145 is a wasteful number, since it uses less digits than its factorization.

2216522145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533744.

The product of its digits is 9600, while the sum is 30.

The square root of 2216522145 is about 47079.9548109384. The cubic root of 2216522145 is about 1303.8391726532.

Adding to 2216522145 its reverse (5412256122), we get a palindrome (7628778267).

The spelling of 2216522145 in words is "two billion, two hundred sixteen million, five hundred twenty-two thousand, one hundred forty-five".