242242 has 32 divisors (see below), whose sum is σ = 491904. Its totient is φ = 87120.

The previous prime is 242227. The next prime is 242243.

242242 is nontrivially palindromic in base 10.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (242243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18628 + ... + 18640.

It is an arithmetic number, because the mean of its divisors is an integer number (15372).

2²⁴²²⁴² is an apocalyptic number.

242242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

242242 is an abundant number, since it is smaller than the sum of its proper divisors (249662).

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

242242 is a wasteful number, since it uses less digits than its factorization.

242242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55 (or 33 counting only the distinct ones).

The product of its digits is 256, while the sum is 16.

The square root of 242242 is about 492.1808610663. The cubic root of 242242 is about 62.3375621891.

It can be divided in two parts, 242 and 242, that added together give a palindrome (484).

The spelling of 242242 in words is "two hundred forty-two thousand, two hundred forty-two", and thus it is an iban number.