243130224 has 40 divisors (see below), whose sum is σ = 630562320. Its totient is φ = 80723968.

The previous prime is 243130207. The next prime is 243130247. The reversal of 243130224 is 422031342.

It is a super-2 number, since 2×243130224² = 118224611644580352, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 243130224.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2482 + ... + 22190.

It is an arithmetic number, because the mean of its divisors is an integer number (15764058).

Almost surely, 2^243130224 is an apocalyptic number.

243130224 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

243130224 is an abundant number, since it is smaller than the sum of its proper divisors (387432096).

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

243130224 is a wasteful number, since it uses less digits than its factorization.

243130224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19977 (or 19971 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 243130224 is about 15592.6336454109. The cubic root of 243130224 is about 624.1365989577.

Adding to 243130224 its reverse (422031342), we get a palindrome (665161566).

The spelling of 243130224 in words is "two hundred forty-three million, one hundred thirty thousand, two hundred twenty-four".