242213 has 4 divisors (see below), whose sum is σ = 252768. Its totient is φ = 231660.

The previous prime is 242201. The next prime is 242227. The reversal of 242213 is 312242.

242213 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 242213 - 2⁴ = 242197 is a prime.

It is a Duffinian number.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 5243 + ... + 5288.

It is an arithmetic number, because the mean of its divisors is an integer number (63192).

2²⁴²²¹³ is an apocalyptic number.

242213 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

It is an amenable number.

242213 is a deficient number, since it is larger than the sum of its proper divisors (10555).

242213 is a wasteful number, since it uses less digits than its factorization.

242213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10554.

The product of its digits is 96, while the sum is 14.

The square root of 242213 is about 492.1513994697. The cubic root of 242213 is about 62.3350745095.

Adding to 242213 its reverse (312242), we get a palindrome (554455).

The spelling of 242213 in words is "two hundred forty-two thousand, two hundred thirteen".