344223667 has 4 divisors (see below), whose sum is σ = 364472136. Its totient is φ = 323975200.

The previous prime is 344223571. The next prime is 344223679. The reversal of 344223667 is 766322443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 766322443 = 61 ⋅12562663.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-344223667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (344223367) 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, 10124209 + ... + 10124242.

It is an arithmetic number, because the mean of its divisors is an integer number (91118034).

Almost surely, 2^344223667 is an apocalyptic number.

344223667 is a deficient number, since it is larger than the sum of its proper divisors (20248469).

344223667 is a wasteful number, since it uses less digits than its factorization.

344223667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20248468.

The product of its digits is 145152, while the sum is 37.

The square root of 344223667 is about 18553.2656694179. The cubic root of 344223667 is about 700.8314385823.

The spelling of 344223667 in words is "three hundred forty-four million, two hundred twenty-three thousand, six hundred sixty-seven".