344223668 has 12 divisors (see below), whose sum is σ = 602697060. Its totient is φ = 172024512.

The previous prime is 344223571. The next prime is 344223679. The reversal of 344223668 is 866322443.

It can be written as a sum of positive squares in 2 ways, for example, as 60031504 + 284192164 = 7748^2 + 16858^2 .

It is a super-2 number, since 2×344223668² = 236979867222748448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12521 + ... + 29072.

It is an arithmetic number, because the mean of its divisors is an integer number (50224755).

Almost surely, 2^344223668 is an apocalyptic number.

It is an amenable number.

344223668 is a deficient number, since it is larger than the sum of its proper divisors (258473392).

344223668 is a wasteful number, since it uses less digits than its factorization.

344223668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43666 (or 43664 counting only the distinct ones).

The product of its digits is 165888, while the sum is 38.

The square root of 344223668 is about 18553.2656963673. The cubic root of 344223668 is about 700.8314392610.

The spelling of 344223668 in words is "three hundred forty-four million, two hundred twenty-three thousand, six hundred sixty-eight".