344220043 has 4 divisors (see below), whose sum is σ = 346143240. Its totient is φ = 342296848.

The previous prime is 344219971. The next prime is 344220067. The reversal of 344220043 is 340022443.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344220043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 344219996 and 344220023.

It is not an unprimeable number, because it can be changed into a prime (344220073) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 961330 + ... + 961687.

It is an arithmetic number, because the mean of its divisors is an integer number (86535810).

Almost surely, 2^344220043 is an apocalyptic number.

344220043 is a deficient number, since it is larger than the sum of its proper divisors (1923197).

344220043 is a wasteful number, since it uses less digits than its factorization.

344220043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1923196.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 344220043 is about 18553.1680044137. The cubic root of 344220043 is about 700.8289791136.

Adding to 344220043 its reverse (340022443), we get a palindrome (684242486).

The spelling of 344220043 in words is "three hundred forty-four million, two hundred twenty thousand, forty-three".