243133422 has 64 divisors (see below), whose sum is σ = 591390720. Its totient is φ = 65051136.

The previous prime is 243133421. The next prime is 243133433. The reversal of 243133422 is 224331342.

It is a super-2 number, since 2×243133422² = 118227721786860168, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 243133392 and 243133401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243133421) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 162763 + ... + 164249.

It is an arithmetic number, because the mean of its divisors is an integer number (9240480).

Almost surely, 2^243133422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243133422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (295695360).

243133422 is an abundant number, since it is smaller than the sum of its proper divisors (348257298).

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

243133422 is a wasteful number, since it uses less digits than its factorization.

243133422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1745.

The product of its digits is 3456, while the sum is 24.

The square root of 243133422 is about 15592.7361934973. The cubic root of 243133422 is about 624.1393354612.

Adding to 243133422 its reverse (224331342), we get a palindrome (467464764).

It can be divided in two parts, 2431 and 33422, that added together give a palindrome (35853).

The spelling of 243133422 in words is "two hundred forty-three million, one hundred thirty-three thousand, four hundred twenty-two".