243322332 has 48 divisors (see below), whose sum is σ = 625532544. Its totient is φ = 73000000.

The previous prime is 243322327. The next prime is 243322333. The reversal of 243322332 is 233223342.

It is a happy number.

243322332 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (243322333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4207 + ... + 22457.

It is an arithmetic number, because the mean of its divisors is an integer number (13031928).

Almost surely, 2^243322332 is an apocalyptic number.

243322332 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 243322332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (312766272).

243322332 is an abundant number, since it is smaller than the sum of its proper divisors (382210212).

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

243322332 is a wasteful number, since it uses less digits than its factorization.

243322332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18370 (or 18368 counting only the distinct ones).

The product of its digits is 5184, while the sum is 24.

The square root of 243322332 is about 15598.7926455864. The cubic root of 243322332 is about 624.3009417062.

Adding to 243322332 its reverse (233223342), we get a palindrome (476545674).

It can be divided in two parts, 2 and 43322332, that added together give a palindrome (43322334).

The spelling of 243322332 in words is "two hundred forty-three million, three hundred twenty-two thousand, three hundred thirty-two".