242231201 has 4 divisors (see below), whose sum is σ = 244495152. Its totient is φ = 239967252.

The previous prime is 242231189. The next prime is 242231221. The reversal of 242231201 is 102132242.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 102132242 = 2 ⋅51066121.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242231201 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242231201.

It is not an unprimeable number, because it can be changed into a prime (242231221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1131815 + ... + 1132028.

It is an arithmetic number, because the mean of its divisors is an integer number (61123788).

Almost surely, 2^242231201 is an apocalyptic number.

It is an amenable number.

242231201 is a deficient number, since it is larger than the sum of its proper divisors (2263951).

242231201 is a wasteful number, since it uses less digits than its factorization.

242231201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2263950.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 242231201 is about 15563.7784936692. The cubic root of 242231201 is about 623.3663585185.

Adding to 242231201 its reverse (102132242), we get a palindrome (344363443).

The spelling of 242231201 in words is "two hundred forty-two million, two hundred thirty-one thousand, two hundred one".