242240522 has 4 divisors (see below), whose sum is σ = 363360786. Its totient is φ = 121120260.

The previous prime is 242240507. The next prime is 242240527. The reversal of 242240522 is 225042242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 225042242 = 2 ⋅112521121.

It can be written as a sum of positive squares in only one way, i.e., 206468161 + 35772361 = 14369^2 + 5981^2 .

It is not an unprimeable number, because it can be changed into a prime (242240527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60560129 + ... + 60560132.

Almost surely, 2^242240522 is an apocalyptic number.

242240522 is a deficient number, since it is larger than the sum of its proper divisors (121120264).

242240522 is a wasteful number, since it uses less digits than its factorization.

242240522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121120263.

The product of its (nonzero) digits is 2560, while the sum is 23.

The square root of 242240522 is about 15564.0779360680. The cubic root of 242240522 is about 623.3743540799.

Adding to 242240522 its reverse (225042242), we get a palindrome (467282764).

The spelling of 242240522 in words is "two hundred forty-two million, two hundred forty thousand, five hundred twenty-two".