243312922 has 16 divisors (see below), whose sum is σ = 368294400. Its totient is φ = 120553488.

The previous prime is 243312919. The next prime is 243312931. The reversal of 243312922 is 229213342.

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 7 ways as a sum of consecutive naturals, for example, 109143 + ... + 111349.

It is an arithmetic number, because the mean of its divisors is an integer number (23018400).

Almost surely, 2^243312922 is an apocalyptic number.

243312922 is a deficient number, since it is larger than the sum of its proper divisors (124981478).

243312922 is a wasteful number, since it uses less digits than its factorization.

243312922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2685.

The product of its digits is 5184, while the sum is 28.

The square root of 243312922 is about 15598.4910167618. The cubic root of 243312922 is about 624.2928937429.

The spelling of 243312922 in words is "two hundred forty-three million, three hundred twelve thousand, nine hundred twenty-two".