242522047 has 2 divisors, whose sum is σ = 242522048. Its totient is φ = 242522046.

The previous prime is 242522039. The next prime is 242522113. The reversal of 242522047 is 740225242.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 242522047 - 2³ = 242522039 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (242522347) 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, 121261023 + 121261024.

It is an arithmetic number, because the mean of its divisors is an integer number (121261024).

Almost surely, 2^242522047 is an apocalyptic number.

242522047 is a deficient number, since it is larger than the sum of its proper divisors (1).

242522047 is an equidigital number, since it uses as much as digits as its factorization.

242522047 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 242522047 is about 15573.1193728167. The cubic root of 242522047 is about 623.6157498659.

Adding to 242522047 its reverse (740225242), we get a palindrome (982747289).

The spelling of 242522047 in words is "two hundred forty-two million, five hundred twenty-two thousand, forty-seven".