242420242 has 8 divisors (see below), whose sum is σ = 363711600. Its totient is φ = 121183044.

The previous prime is 242420231. The next prime is 242420257. The reversal of 242420242 is 242024242.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 609 + ... + 22027.

It is an arithmetic number, because the mean of its divisors is an integer number (45463950).

Almost surely, 2^242420242 is an apocalyptic number.

242420242 is a deficient number, since it is larger than the sum of its proper divisors (121291358).

242420242 is a wasteful number, since it uses less digits than its factorization.

242420242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27080.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 242420242 is about 15569.8504167510. The cubic root of 242420242 is about 623.5284779557.

Adding to 242420242 its reverse (242024242), we get a palindrome (484444484).

The spelling of 242420242 in words is "two hundred forty-two million, four hundred twenty thousand, two hundred forty-two".