344448218 has 4 divisors (see below), whose sum is σ = 516672330. Its totient is φ = 172224108.

The previous prime is 344448187. The next prime is 344448229. The reversal of 344448218 is 812844443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 812844443 = 17 ⋅47814379.

It can be written as a sum of positive squares in only one way, i.e., 330257929 + 14190289 = 18173^2 + 3767^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86112053 + ... + 86112056.

Almost surely, 2^344448218 is an apocalyptic number.

344448218 is a deficient number, since it is larger than the sum of its proper divisors (172224112).

344448218 is a wasteful number, since it uses less digits than its factorization.

344448218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172224111.

The product of its digits is 98304, while the sum is 38.

The square root of 344448218 is about 18559.3162050761. The cubic root of 344448218 is about 700.9837990073.

The spelling of 344448218 in words is "three hundred forty-four million, four hundred forty-eight thousand, two hundred eighteen".