2220344311 has 4 divisors (see below), whose sum is σ = 2220593824. Its totient is φ = 2220094800.

The previous prime is 2220344303. The next prime is 2220344333. The reversal of 2220344311 is 1134430222.

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

It is a cyclic number.

It is not a de Polignac number, because 2220344311 - 2³ = 2220344303 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2220344011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110895 + ... + 129376.

It is an arithmetic number, because the mean of its divisors is an integer number (555148456).

Almost surely, 2^2220344311 is an apocalyptic number.

2220344311 is a deficient number, since it is larger than the sum of its proper divisors (249513).

2220344311 is an equidigital number, since it uses as much as digits as its factorization.

2220344311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249512.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 2220344311 is about 47120.5296128980. The cubic root of 2220344311 is about 1304.5881881023.

Adding to 2220344311 its reverse (1134430222), we get a palindrome (3354774533).

The spelling of 2220344311 in words is "two billion, two hundred twenty million, three hundred forty-four thousand, three hundred eleven".