242242544 has 20 divisors (see below), whose sum is σ = 470301000. Its totient is φ = 120874560.

The previous prime is 242242531. The next prime is 242242547. The reversal of 242242544 is 445242242.

242242544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242242547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7187 + ... + 23154.

It is an arithmetic number, because the mean of its divisors is an integer number (23515050).

Almost surely, 2^242242544 is an apocalyptic number.

It is an amenable number.

242242544 is a deficient number, since it is larger than the sum of its proper divisors (228058456).

242242544 is a wasteful number, since it uses less digits than its factorization.

242242544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30848 (or 30842 counting only the distinct ones).

The product of its digits is 20480, while the sum is 29.

The square root of 242242544 is about 15564.1428932017. The cubic root of 242242544 is about 623.3760885261.

Adding to 242242544 its reverse (445242242), we get a palindrome (687484786).

The spelling of 242242544 in words is "two hundred forty-two million, two hundred forty-two thousand, five hundred forty-four".