2220301312309 has 4 divisors (see below), whose sum is σ = 2256699694540. Its totient is φ = 2183902930080.

The previous prime is 2220301312301. The next prime is 2220301312331. The reversal of 2220301312309 is 9032131030222.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1021666100625 + 1198635211684 = 1010775^2 + 1094822^2 .

It is a cyclic number.

It is not a de Polignac number, because 2220301312309 - 2³ = 2220301312301 is a prime.

It is a super-2 number, since 2×2220301312309² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220301312301) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18199191024 + ... + 18199191145.

It is an arithmetic number, because the mean of its divisors is an integer number (564174923635).

Almost surely, 2^{2220301312309} is an apocalyptic number.

It is an amenable number.

2220301312309 is a deficient number, since it is larger than the sum of its proper divisors (36398382231).

2220301312309 is an equidigital number, since it uses as much as digits as its factorization.

2220301312309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36398382230.

The product of its (nonzero) digits is 3888, while the sum is 28.

The spelling of 2220301312309 in words is "two trillion, two hundred twenty billion, three hundred one million, three hundred twelve thousand, three hundred nine".