344232661 has 2 divisors, whose sum is σ = 344232662. Its totient is φ = 344232660.

The previous prime is 344232641. The next prime is 344232701. The reversal of 344232661 is 166232443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 319730161 + 24502500 = 17881^2 + 4950^2 .

It is a cyclic number.

It is not a de Polignac number, because 344232661 - 2⁹ = 344232149 is a prime.

It is a super-2 number, since 2×344232661² = 236992249798281842, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (344232641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172116330 + 172116331.

It is an arithmetic number, because the mean of its divisors is an integer number (172116331).

Almost surely, 2^344232661 is an apocalyptic number.

It is an amenable number.

344232661 is a deficient number, since it is larger than the sum of its proper divisors (1).

344232661 is an equidigital number, since it uses as much as digits as its factorization.

344232661 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 344232661 is about 18553.5080510398. The cubic root of 344232661 is about 700.8375423879.

The spelling of 344232661 in words is "three hundred forty-four million, two hundred thirty-two thousand, six hundred sixty-one".