243418226 has 8 divisors (see below), whose sum is σ = 365444784. Its totient is φ = 121603300.

The previous prime is 243418213. The next prime is 243418237. The reversal of 243418226 is 622814342.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 243418192 and 243418201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50000 + ... + 54651.

It is an arithmetic number, because the mean of its divisors is an integer number (45680598).

Almost surely, 2^243418226 is an apocalyptic number.

243418226 is a deficient number, since it is larger than the sum of its proper divisors (122026558).

243418226 is a wasteful number, since it uses less digits than its factorization.

243418226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105816.

The product of its digits is 18432, while the sum is 32.

The square root of 243418226 is about 15601.8661063348. The cubic root of 243418226 is about 624.3829438405.

The spelling of 243418226 in words is "two hundred forty-three million, four hundred eighteen thousand, two hundred twenty-six".