344234218 has 4 divisors (see below), whose sum is σ = 516351330. Its totient is φ = 172117108.

The previous prime is 344234213. The next prime is 344234239. The reversal of 344234218 is 812432443.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 812432443 = 191 ⋅4253573.

It can be written as a sum of positive squares in only one way, i.e., 343472089 + 762129 = 18533^2 + 873^2 .

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 344234218.

It is not an unprimeable number, because it can be changed into a prime (344234213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 86058553 + ... + 86058556.

Almost surely, 2^344234218 is an apocalyptic number.

344234218 is a deficient number, since it is larger than the sum of its proper divisors (172117112).

344234218 is a wasteful number, since it uses less digits than its factorization.

344234218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172117111.

The product of its digits is 18432, while the sum is 31.

The square root of 344234218 is about 18553.5500107122. The cubic root of 344234218 is about 700.8385990399.

The spelling of 344234218 in words is "three hundred forty-four million, two hundred thirty-four thousand, two hundred eighteen".