2220310305 has 32 divisors (see below), whose sum is σ = 3953952000. Its totient is φ = 1182145536.

The previous prime is 2220310283. The next prime is 2220310331. The reversal of 2220310305 is 5030130222.

It is not a de Polignac number, because 2220310305 - 2²⁰ = 2219261729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 67137 + ... + 94593.

It is an arithmetic number, because the mean of its divisors is an integer number (123561000).

Almost surely, 2^2220310305 is an apocalyptic number.

It is an amenable number.

2220310305 is a deficient number, since it is larger than the sum of its proper divisors (1733641695).

2220310305 is a wasteful number, since it uses less digits than its factorization.

2220310305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28070 (or 28064 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 2220310305 is about 47120.1687709202. The cubic root of 2220310305 is about 1304.5815278661.

Adding to 2220310305 its reverse (5030130222), we get a palindrome (7250440527).

The spelling of 2220310305 in words is "two billion, two hundred twenty million, three hundred ten thousand, three hundred five".