344022321 has 4 divisors (see below), whose sum is σ = 458696432. Its totient is φ = 229348212.

The previous prime is 344022313. The next prime is 344022347. The reversal of 344022321 is 123220443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 344022321 - 2³ = 344022313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344012321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57337051 + ... + 57337056.

It is an arithmetic number, because the mean of its divisors is an integer number (114674108).

Almost surely, 2^344022321 is an apocalyptic number.

It is an amenable number.

344022321 is a deficient number, since it is larger than the sum of its proper divisors (114674111).

344022321 is a wasteful number, since it uses less digits than its factorization.

344022321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114674110.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 344022321 is about 18547.8387150633. The cubic root of 344022321 is about 700.6947666620.

Adding to 344022321 its reverse (123220443), we get a palindrome (467242764).

The spelling of 344022321 in words is "three hundred forty-four million, twenty-two thousand, three hundred twenty-one".