242243430 has 64 divisors (see below), whose sum is σ = 683036928. Its totient is φ = 54207360.

The previous prime is 242243413. The next prime is 242243437. The reversal of 242243430 is 34342242.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 242243430.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242243437) 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, 23944 + ... + 32523.

It is an arithmetic number, because the mean of its divisors is an integer number (10672452).

Almost surely, 2^242243430 is an apocalyptic number.

242243430 is an abundant number, since it is smaller than the sum of its proper divisors (440793498).

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

242243430 is a wasteful number, since it uses less digits than its factorization.

242243430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56501.

The product of its (nonzero) digits is 4608, while the sum is 24.

The square root of 242243430 is about 15564.1713560343. The cubic root of 242243430 is about 623.3768485227.

Adding to 242243430 its reverse (34342242), we get a palindrome (276585672).

The spelling of 242243430 in words is "two hundred forty-two million, two hundred forty-three thousand, four hundred thirty".