242022 has 32 divisors (see below), whose sum is σ = 558720. Its totient is φ = 69120.

The previous prime is 242009. The next prime is 242057. The reversal of 242022 is 220242.

It is a happy number.

It is a nialpdrome in base 13.

It is a junction number, because it is equal to n+sod(n) for n = 241989 and 242007.

It is a congruent number.

It is an unprimeable number.

242022 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1158 + ... + 1350.

It is an arithmetic number, because the mean of its divisors is an integer number (17460).

2²⁴²⁰²² is an apocalyptic number.

242022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 242022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (279360).

242022 is an abundant number, since it is smaller than the sum of its proper divisors (316698).

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

242022 is a wasteful number, since it uses less digits than its factorization.

242022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228.

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 242022 is about 491.9573152216. The cubic root of 242022 is about 62.3186851743.

Adding to 242022 its reverse (220242), we get a palindrome (462264).

It can be divided in two parts, 2420 and 22, that added together give a palindrome (2442).

The spelling of 242022 in words is "two hundred forty-two thousand, twenty-two", and thus it is an iban number.