242211133 has 2 divisors, whose sum is σ = 242211134. Its totient is φ = 242211132.

The previous prime is 242211127. The next prime is 242211143. The reversal of 242211133 is 331112242.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 195384484 + 46826649 = 13978^2 + 6843^2 .

It is a cyclic number.

It is not a de Polignac number, because 242211133 - 2¹⁷ = 242080061 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 242211133.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242211143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 121105566 + 121105567.

It is an arithmetic number, because the mean of its divisors is an integer number (121105567).

Almost surely, 2^242211133 is an apocalyptic number.

It is an amenable number.

242211133 is a deficient number, since it is larger than the sum of its proper divisors (1).

242211133 is an equidigital number, since it uses as much as digits as its factorization.

242211133 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 288, while the sum is 19.

The square root of 242211133 is about 15563.1337782594. The cubic root of 242211133 is about 623.3491434756.

Adding to 242211133 its reverse (331112242), we get a palindrome (573323375).

The spelling of 242211133 in words is "two hundred forty-two million, two hundred eleven thousand, one hundred thirty-three".