242098566 has 8 divisors (see below), whose sum is σ = 484197144. Its totient is φ = 80699520.

The previous prime is 242098543. The next prime is 242098567. The reversal of 242098566 is 665890242.

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

242098566 is an admirable number.

It is a super-2 number, since 2×242098566² = 117223431318512712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242098567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20174875 + ... + 20174886.

It is an arithmetic number, because the mean of its divisors is an integer number (60524643).

Almost surely, 2^242098566 is an apocalyptic number.

242098566 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

242098566 is a wasteful number, since it uses less digits than its factorization.

242098566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40349766.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 242098566 is about 15559.5168948139. The cubic root of 242098566 is about 623.2525618759.

The spelling of 242098566 in words is "two hundred forty-two million, ninety-eight thousand, five hundred sixty-six".