242188858 has 8 divisors (see below), whose sum is σ = 382403520. Its totient is φ = 114721020.

The previous prime is 242188841. The next prime is 242188867. The reversal of 242188858 is 858881242.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3186658 + ... + 3186733.

It is an arithmetic number, because the mean of its divisors is an integer number (47800440).

Almost surely, 2^242188858 is an apocalyptic number.

242188858 is a deficient number, since it is larger than the sum of its proper divisors (140214662).

242188858 is a wasteful number, since it uses less digits than its factorization.

242188858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6373412.

The product of its digits is 327680, while the sum is 46.

The square root of 242188858 is about 15562.4181282987. The cubic root of 242188858 is about 623.3300340762.

The spelling of 242188858 in words is "two hundred forty-two million, one hundred eighty-eight thousand, eight hundred fifty-eight".