243422334 has 48 divisors (see below), whose sum is σ = 561772848. Its totient is φ = 78941952.

The previous prime is 243422327. The next prime is 243422339. The reversal of 243422334 is 433224342.

243422334 is a `hidden beast` number, since 2 + 434 + 223 + 3 + 4 = 666.

243422334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 243422298 and 243422307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243422339) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11214 + ... + 24750.

It is an arithmetic number, because the mean of its divisors is an integer number (11703601).

Almost surely, 2^243422334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243422334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (280886424).

243422334 is an abundant number, since it is smaller than the sum of its proper divisors (318350514).

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

243422334 is a wasteful number, since it uses less digits than its factorization.

243422334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13591 (or 13579 counting only the distinct ones).

The product of its digits is 13824, while the sum is 27.

The square root of 243422334 is about 15601.9977566977. The cubic root of 243422334 is about 624.3864562463.

Adding to 243422334 its reverse (433224342), we get a palindrome (676646676).

The spelling of 243422334 in words is "two hundred forty-three million, four hundred twenty-two thousand, three hundred thirty-four".