2722212313 has 4 divisors (see below), whose sum is σ = 2725106148. Its totient is φ = 2719318480.

The previous prime is 2722212299. The next prime is 2722212347. The reversal of 2722212313 is 3132122272.

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 899520064 + 1822692249 = 29992^2 + 42693^2 .

It is a cyclic number.

It is not a de Polignac number, because 2722212313 - 2²⁹ = 2185341401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2722212373) 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, 1445506 + ... + 1447387.

It is an arithmetic number, because the mean of its divisors is an integer number (681276537).

Almost surely, 2^2722212313 is an apocalyptic number.

It is an amenable number.

2722212313 is a deficient number, since it is larger than the sum of its proper divisors (2893835).

2722212313 is an equidigital number, since it uses as much as digits as its factorization.

2722212313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2893834.

The product of its digits is 2016, while the sum is 25.

The square root of 2722212313 is about 52174.8245133608. The cubic root of 2722212313 is about 1396.2847604867.

Adding to 2722212313 its reverse (3132122272), we get a palindrome (5854334585).

The spelling of 2722212313 in words is "two billion, seven hundred twenty-two million, two hundred twelve thousand, three hundred thirteen".