2211340073 has 4 divisors (see below), whose sum is σ = 2214262020. Its totient is φ = 2208418128.

The previous prime is 2211340069. The next prime is 2211340111. The reversal of 2211340073 is 3700431122.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3700431122 = 2 ⋅1850215561.

It can be written as a sum of positive squares in 2 ways, for example, as 1550233129 + 661106944 = 39373^2 + 25712^2 .

It is a cyclic number.

It is not a de Polignac number, because 2211340073 - 2² = 2211340069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2211346073) 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, 1459838 + ... + 1461351.

It is an arithmetic number, because the mean of its divisors is an integer number (553565505).

Almost surely, 2^2211340073 is an apocalyptic number.

It is an amenable number.

2211340073 is a deficient number, since it is larger than the sum of its proper divisors (2921947).

2211340073 is an equidigital number, since it uses as much as digits as its factorization.

2211340073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2921946.

The product of its (nonzero) digits is 1008, while the sum is 23.

The square root of 2211340073 is about 47024.8878042255. The cubic root of 2211340073 is about 1302.8222851823.

Adding to 2211340073 its reverse (3700431122), we get a palindrome (5911771195).

The spelling of 2211340073 in words is "two billion, two hundred eleven million, three hundred forty thousand, seventy-three".