2122313 has 4 divisors (see below), whose sum is σ = 2143428. Its totient is φ = 2101200.

The previous prime is 2122303. The next prime is 2122321. The reversal of 2122313 is 3132212.

It is a happy number.

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 861184 + 1261129 = 928^2 + 1123^2 .

It is a cyclic number.

It is not a de Polignac number, because 2122313 - 2¹⁰ = 2121289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10406 + ... + 10607.

It is an arithmetic number, because the mean of its divisors is an integer number (535857).

2^2122313 is an apocalyptic number.

It is an amenable number.

2122313 is a deficient number, since it is larger than the sum of its proper divisors (21115).

2122313 is a wasteful number, since it uses less digits than its factorization.

2122313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21114.

The product of its digits is 72, while the sum is 14.

The square root of 2122313 is about 1456.8160487858. The cubic root of 2122313 is about 128.5098681778.

Adding to 2122313 its reverse (3132212), we get a palindrome (5254525).

The spelling of 2122313 in words is "two million, one hundred twenty-two thousand, three hundred thirteen".