344022643 has 12 divisors (see below), whose sum is σ = 351447600. Its totient is φ = 336740976.

The previous prime is 344022611. The next prime is 344022667. The reversal of 344022643 is 346220443.

It is not a de Polignac number, because 344022643 - 2⁵ = 344022611 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344022443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1241821 + ... + 1242097.

It is an arithmetic number, because the mean of its divisors is an integer number (29287300).

Almost surely, 2^344022643 is an apocalyptic number.

344022643 is a deficient number, since it is larger than the sum of its proper divisors (7424957).

344022643 is an equidigital number, since it uses as much as digits as its factorization.

344022643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 634 (or 555 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 28.

The square root of 344022643 is about 18547.8473953179. The cubic root of 344022643 is about 700.6949852754.

The spelling of 344022643 in words is "three hundred forty-four million, twenty-two thousand, six hundred forty-three".