344226613 has 2 divisors, whose sum is σ = 344226614. Its totient is φ = 344226612.

The previous prime is 344226601. The next prime is 344226643. The reversal of 344226613 is 316622443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 250968964 + 93257649 = 15842^2 + 9657^2 .

It is an emirp because it is prime and its reverse (316622443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344226613 - 2⁵ = 344226581 is a prime.

It is a super-2 number, since 2×344226613² = 236983922194903538, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344226643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172113306 + 172113307.

It is an arithmetic number, because the mean of its divisors is an integer number (172113307).

Almost surely, 2^344226613 is an apocalyptic number.

It is an amenable number.

344226613 is a deficient number, since it is larger than the sum of its proper divisors (1).

344226613 is an equidigital number, since it uses as much as digits as its factorization.

344226613 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20736, while the sum is 31.

The square root of 344226613 is about 18553.3450622792. The cubic root of 344226613 is about 700.8334379059.

The spelling of 344226613 in words is "three hundred forty-four million, two hundred twenty-six thousand, six hundred thirteen".