240442229 has 2 divisors, whose sum is σ = 240442230. Its totient is φ = 240442228.

The previous prime is 240442201. The next prime is 240442289. The reversal of 240442229 is 922244042.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 231739729 + 8702500 = 15223^2 + 2950^2 .

It is a cyclic number.

It is not a de Polignac number, because 240442229 - 2²⁰ = 239393653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (240442289) 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 as a sum of consecutive naturals, namely, 120221114 + 120221115.

It is an arithmetic number, because the mean of its divisors is an integer number (120221115).

Almost surely, 2^240442229 is an apocalyptic number.

It is an amenable number.

240442229 is a deficient number, since it is larger than the sum of its proper divisors (1).

240442229 is an equidigital number, since it uses as much as digits as its factorization.

240442229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 29.

The square root of 240442229 is about 15506.1996956056. The cubic root of 240442229 is about 621.8279637463.

The spelling of 240442229 in words is "two hundred forty million, four hundred forty-two thousand, two hundred twenty-nine".