242205847 has 8 divisors (see below), whose sum is σ = 272178144. Its totient is φ = 213853728.

The previous prime is 242205841. The next prime is 242205853. The reversal of 242205847 is 748502242.

It is an interprime number because it is at equal distance from previous prime (242205841) and next prime (242205853).

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 242205847 - 2¹⁵ = 242173079 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 (242205841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 404728 + ... + 405325.

It is an arithmetic number, because the mean of its divisors is an integer number (34022268).

Almost surely, 2^242205847 is an apocalyptic number.

242205847 is a deficient number, since it is larger than the sum of its proper divisors (29972297).

242205847 is a wasteful number, since it uses less digits than its factorization.

242205847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 810089.

The product of its (nonzero) digits is 35840, while the sum is 34.

The square root of 242205847 is about 15562.9639529236. The cubic root of 242205847 is about 623.3446087989.

The spelling of 242205847 in words is "two hundred forty-two million, two hundred five thousand, eight hundred forty-seven".