622313 has 2 divisors, whose sum is σ = 622314. Its totient is φ = 622312.

The previous prime is 622301. The next prime is 622331. The reversal of 622313 is 313226.

Together with next prime (622331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 620944 + 1369 = 788^2 + 37^2 .

It is a cyclic number.

It is not a de Polignac number, because 622313 - 2⁶ = 622249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 622291 and 622300.

It is not a weakly prime, because it can be changed into another prime (622333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311156 + 311157.

It is an arithmetic number, because the mean of its divisors is an integer number (311157).

2⁶²²³¹³ is an apocalyptic number.

It is an amenable number.

622313 is a deficient number, since it is larger than the sum of its proper divisors (1).

622313 is an equidigital number, since it uses as much as digits as its factorization.

622313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 17.

The square root of 622313 is about 788.8681765669. The cubic root of 622313 is about 85.3760958496.

Adding to 622313 its reverse (313226), we get a palindrome (935539).

The spelling of 622313 in words is "six hundred twenty-two thousand, three hundred thirteen".