242243530 has 8 divisors (see below), whose sum is σ = 436038372. Its totient is φ = 96897408.

The previous prime is 242243527. The next prime is 242243531. The reversal of 242243530 is 35342242.

It can be written as a sum of positive squares in 2 ways, for example, as 197767969 + 44475561 = 14063^2 + 6669^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 242243495 and 242243504.

It is not an unprimeable number, because it can be changed into a prime (242243531) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12112167 + ... + 12112186.

Almost surely, 2^242243530 is an apocalyptic number.

242243530 is a deficient number, since it is larger than the sum of its proper divisors (193794842).

242243530 is a wasteful number, since it uses less digits than its factorization.

242243530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24224360.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 242243530 is about 15564.1745685404. The cubic root of 242243530 is about 623.3769343010.

Adding to 242243530 its reverse (35342242), we get a palindrome (277585772).

The spelling of 242243530 in words is "two hundred forty-two million, two hundred forty-three thousand, five hundred thirty".