344022409 has 2 divisors, whose sum is σ = 344022410. Its totient is φ = 344022408.

The previous prime is 344022401. The next prime is 344022433. The reversal of 344022409 is 904220443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340771600 + 3250809 = 18460^2 + 1803^2 .

It is a cyclic number.

It is not a de Polignac number, because 344022409 - 2³ = 344022401 is a prime.

It is not a weakly prime, because it can be changed into another prime (344022401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172011204 + 172011205.

It is an arithmetic number, because the mean of its divisors is an integer number (172011205).

Almost surely, 2^344022409 is an apocalyptic number.

It is an amenable number.

344022409 is a deficient number, since it is larger than the sum of its proper divisors (1).

344022409 is an equidigital number, since it uses as much as digits as its factorization.

344022409 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 28.

The square root of 344022409 is about 18547.8410873072. The cubic root of 344022409 is about 700.6948264073.

The spelling of 344022409 in words is "three hundred forty-four million, twenty-two thousand, four hundred nine".