2216005265 has 8 divisors (see below), whose sum is σ = 2774824128. Its totient is φ = 1695725680.

The previous prime is 2216005261. The next prime is 2216005279. The reversal of 2216005265 is 5625006122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2216005265 - 2² = 2216005261 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2216005261) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9634691 + ... + 9634920.

It is an arithmetic number, because the mean of its divisors is an integer number (346853016).

Almost surely, 2^2216005265 is an apocalyptic number.

It is an amenable number.

2216005265 is a deficient number, since it is larger than the sum of its proper divisors (558818863).

2216005265 is a wasteful number, since it uses less digits than its factorization.

2216005265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19269639.

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 2216005265 is about 47074.4651058299. The cubic root of 2216005265 is about 1303.7378155511.

The spelling of 2216005265 in words is "two billion, two hundred sixteen million, five thousand, two hundred sixty-five".