242442 has 12 divisors (see below), whose sum is σ = 525330. Its totient is φ = 80808.

The previous prime is 242441. The next prime is 242447. The reversal of 242442 is 244242.

242442 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 194481 + 47961 = 441^2 + 219^2 .

It is a Harshad number since it is a multiple of its sum of digits (18), and also a Moran number because the ratio is a prime number: 13469 = 242442 / (2 + 4 + 2 + 4 + 4 + 2).

It is not an unprimeable number, because it can be changed into a prime (242441) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6717 + ... + 6752.

2²⁴²⁴⁴² is an apocalyptic number.

242442 is an abundant number, since it is smaller than the sum of its proper divisors (282888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

242442 is a wasteful number, since it uses less digits than its factorization.

242442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13477 (or 13474 counting only the distinct ones).

The product of its digits is 512, while the sum is 18.

The square root of 242442 is about 492.3839964905. The cubic root of 242442 is about 62.3547131963.

Adding to 242442 its reverse (244242), we get a palindrome (486684).

The spelling of 242442 in words is "two hundred forty-two thousand, four hundred forty-two", and thus it is an iban number.