242478242 has 16 divisors (see below), whose sum is σ = 395523000. Its totient is φ = 111022848.

The previous prime is 242478227. The next prime is 242478263. The reversal of 242478242 is 242874242.

It can be written as a sum of positive squares in 4 ways, for example, as 242456041 + 22201 = 15571^2 + 149^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95117 + ... + 97632.

Almost surely, 2^242478242 is an apocalyptic number.

242478242 is a deficient number, since it is larger than the sum of its proper divisors (153044758).

242478242 is a wasteful number, since it uses less digits than its factorization.

242478242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192805.

The product of its digits is 57344, while the sum is 35.

The square root of 242478242 is about 15571.7128794491. The cubic root of 242478242 is about 623.5782012071.

It can be divided in two parts, 242 and 478242, that multiplied together give a square (115734564 = 10758²).

The spelling of 242478242 in words is "two hundred forty-two million, four hundred seventy-eight thousand, two hundred forty-two".