243220232 has 16 divisors (see below), whose sum is σ = 462286140. Its totient is φ = 119943936.

The previous prime is 243220231. The next prime is 243220249. The reversal of 243220232 is 232022342.

It can be written as a sum of positive squares in 2 ways, for example, as 222188836 + 21031396 = 14906^2 + 4586^2 .

It is not an unprimeable number, because it can be changed into a prime (243220231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207653 + ... + 208820.

Almost surely, 2^243220232 is an apocalyptic number.

It is an amenable number.

243220232 is a deficient number, since it is larger than the sum of its proper divisors (219065908).

243220232 is a wasteful number, since it uses less digits than its factorization.

243220232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 416552 (or 416548 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 243220232 is about 15595.5196130171. The cubic root of 243220232 is about 624.2136089309.

Adding to 243220232 its reverse (232022342), we get a palindrome (475242574).

The spelling of 243220232 in words is "two hundred forty-three million, two hundred twenty thousand, two hundred thirty-two".