242242211 has 4 divisors (see below), whose sum is σ = 242346000. Its totient is φ = 242138424.

The previous prime is 242242201. The next prime is 242242237. The reversal of 242242211 is 112242242.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 242242211 - 2²⁶ = 175133347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242242201) 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, 48311 + ... + 53088.

It is an arithmetic number, because the mean of its divisors is an integer number (60586500).

Almost surely, 2^242242211 is an apocalyptic number.

242242211 is a deficient number, since it is larger than the sum of its proper divisors (103789).

242242211 is a wasteful number, since it uses less digits than its factorization.

242242211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103788.

The product of its digits is 512, while the sum is 20.

The square root of 242242211 is about 15564.1321955321. The cubic root of 242242211 is about 623.3758028835.

Adding to 242242211 its reverse (112242242), we get a palindrome (354484453).

The spelling of 242242211 in words is "two hundred forty-two million, two hundred forty-two thousand, two hundred eleven".