242213117 has 8 divisors (see below), whose sum is σ = 248341632. Its totient is φ = 236095200.

The previous prime is 242213077. The next prime is 242213129. The reversal of 242213117 is 711312242.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 242213117 - 2²⁰ = 241164541 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 242213092 and 242213101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242213317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64892 + ... + 68522.

It is an arithmetic number, because the mean of its divisors is an integer number (31042704).

Almost surely, 2^242213117 is an apocalyptic number.

It is an amenable number.

242213117 is a deficient number, since it is larger than the sum of its proper divisors (6128515).

242213117 is a wasteful number, since it uses less digits than its factorization.

242213117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5299.

The product of its digits is 672, while the sum is 23.

The square root of 242213117 is about 15563.1975185050. The cubic root of 242213117 is about 623.3508454636.

Adding to 242213117 its reverse (711312242), we get a palindrome (953525359).

The spelling of 242213117 in words is "two hundred forty-two million, two hundred thirteen thousand, one hundred seventeen".