243440822 has 8 divisors (see below), whose sum is σ = 365678400. Its totient is φ = 121548024.

The previous prime is 243440807. The next prime is 243440831. The reversal of 243440822 is 228044342.

It is a happy number.

243440822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

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, 84422 + ... + 87257.

It is an arithmetic number, because the mean of its divisors is an integer number (45709800).

Almost surely, 2^243440822 is an apocalyptic number.

243440822 is a deficient number, since it is larger than the sum of its proper divisors (122237578).

243440822 is a wasteful number, since it uses less digits than its factorization.

243440822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172390.

The product of its (nonzero) digits is 12288, while the sum is 29.

The square root of 243440822 is about 15602.5902336759. The cubic root of 243440822 is about 624.4022632929.

The spelling of 243440822 in words is "two hundred forty-three million, four hundred forty thousand, eight hundred twenty-two".