2216065145 has 16 divisors (see below), whose sum is σ = 3040156800. Its totient is φ = 1519096704.

The previous prime is 2216065127. The next prime is 2216065153. The reversal of 2216065145 is 5415606122.

It is a cyclic number.

It is not a de Polignac number, because 2216065145 - 2²⁸ = 1947629689 is a prime.

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, 124781 + ... + 141429.

It is an arithmetic number, because the mean of its divisors is an integer number (190009800).

Almost surely, 2^2216065145 is an apocalyptic number.

It is an amenable number.

2216065145 is a deficient number, since it is larger than the sum of its proper divisors (824091655).

2216065145 is a wasteful number, since it uses less digits than its factorization.

2216065145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20464.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 2216065145 is about 47075.1011151330. The cubic root of 2216065145 is about 1303.7495584710.

The spelling of 2216065145 in words is "two billion, two hundred sixteen million, sixty-five thousand, one hundred forty-five".