344212289 has 2 divisors, whose sum is σ = 344212290. Its totient is φ = 344212288.

The previous prime is 344212249. The next prime is 344212327. The reversal of 344212289 is 982212443.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 295324225 + 48888064 = 17185^2 + 6992^2 .

It is an emirp because it is prime and its reverse (982212443) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 344212289 - 2²⁰ = 343163713 is a prime.

It is not a weakly prime, because it can be changed into another prime (344212229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172106144 + 172106145.

It is an arithmetic number, because the mean of its divisors is an integer number (172106145).

Almost surely, 2^344212289 is an apocalyptic number.

It is an amenable number.

344212289 is a deficient number, since it is larger than the sum of its proper divisors (1).

344212289 is an equidigital number, since it uses as much as digits as its factorization.

344212289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27648, while the sum is 35.

The square root of 344212289 is about 18552.9590362292. The cubic root of 344212289 is about 700.8237167155.

The spelling of 344212289 in words is "three hundred forty-four million, two hundred twelve thousand, two hundred eighty-nine".