242443211 has 4 divisors (see below), whose sum is σ = 255203400. Its totient is φ = 229683024.

The previous prime is 242443189. The next prime is 242443231. The reversal of 242443211 is 112344242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 112344242 = 2 ⋅56172121.

It is a cyclic number.

It is not a de Polignac number, because 242443211 - 2¹⁴ = 242426827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242443231) 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, 6380066 + ... + 6380103.

It is an arithmetic number, because the mean of its divisors is an integer number (63800850).

Almost surely, 2^242443211 is an apocalyptic number.

242443211 is a deficient number, since it is larger than the sum of its proper divisors (12760189).

242443211 is a wasteful number, since it uses less digits than its factorization.

242443211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12760188.

The product of its digits is 1536, while the sum is 23.

The square root of 242443211 is about 15570.5880107336. The cubic root of 242443211 is about 623.5481701689.

Adding to 242443211 its reverse (112344242), we get a palindrome (354787453).

The spelling of 242443211 in words is "two hundred forty-two million, four hundred forty-three thousand, two hundred eleven".