2220715805 has 16 divisors (see below), whose sum is σ = 3322422144. Its totient is φ = 1384342080.

The previous prime is 2220715787. The next prime is 2220715811. The reversal of 2220715805 is 5085170222.

It is a happy number.

It is not a de Polignac number, because 2220715805 - 2¹⁴ = 2220699421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2883662 + ... + 2884431.

It is an arithmetic number, because the mean of its divisors is an integer number (207651384).

Almost surely, 2^2220715805 is an apocalyptic number.

It is an amenable number.

2220715805 is a deficient number, since it is larger than the sum of its proper divisors (1101706339).

2220715805 is a wasteful number, since it uses less digits than its factorization.

2220715805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5768116.

The product of its (nonzero) digits is 11200, while the sum is 32.

The square root of 2220715805 is about 47124.4714028709. The cubic root of 2220715805 is about 1304.6609425328.

The spelling of 2220715805 in words is "two billion, two hundred twenty million, seven hundred fifteen thousand, eight hundred five".