340222013 has 2 divisors, whose sum is σ = 340222014. Its totient is φ = 340222012.

The previous prime is 340222009. The next prime is 340222021. The reversal of 340222013 is 310222043.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 339370084 + 851929 = 18422^2 + 923^2 .

It is a cyclic number.

It is not a de Polignac number, because 340222013 - 2² = 340222009 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 340221982 and 340222000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (340222033) 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, 170111006 + 170111007.

It is an arithmetic number, because the mean of its divisors is an integer number (170111007).

Almost surely, 2^340222013 is an apocalyptic number.

It is an amenable number.

340222013 is a deficient number, since it is larger than the sum of its proper divisors (1).

340222013 is an equidigital number, since it uses as much as digits as its factorization.

340222013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 340222013 is about 18445.1081048608. The cubic root of 340222013 is about 698.1050879945.

Adding to 340222013 its reverse (310222043), we get a palindrome (650444056).

The spelling of 340222013 in words is "three hundred forty million, two hundred twenty-two thousand, thirteen".