243384822 has 24 divisors (see below), whose sum is σ = 527965464. Its totient is φ = 81031104.

The previous prime is 243384821. The next prime is 243384863. The reversal of 243384822 is 228483342.

It is a happy number.

243384822 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243384821) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8238 + ... + 23550.

It is an arithmetic number, because the mean of its divisors is an integer number (21998561).

Almost surely, 2^243384822 is an apocalyptic number.

243384822 is an abundant number, since it is smaller than the sum of its proper divisors (284580642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

243384822 is a wasteful number, since it uses less digits than its factorization.

243384822 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16204 (or 16201 counting only the distinct ones).

The product of its digits is 73728, while the sum is 36.

The square root of 243384822 is about 15600.7955566375. The cubic root of 243384822 is about 624.3543814189.

The spelling of 243384822 in words is "two hundred forty-three million, three hundred eighty-four thousand, eight hundred twenty-two".