242171834 has 16 divisors (see below), whose sum is σ = 404870400. Its totient is φ = 107964864.

The previous prime is 242171827. The next prime is 242171843. The reversal of 242171834 is 438171242.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 242171834.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 186794 + ... + 188085.

It is an arithmetic number, because the mean of its divisors is an integer number (25304400).

Almost surely, 2^242171834 is an apocalyptic number.

242171834 is a deficient number, since it is larger than the sum of its proper divisors (162698566).

242171834 is a wasteful number, since it uses less digits than its factorization.

242171834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 374917.

The product of its digits is 10752, while the sum is 32.

The square root of 242171834 is about 15561.8711599859. The cubic root of 242171834 is about 623.3154286436.

The spelling of 242171834 in words is "two hundred forty-two million, one hundred seventy-one thousand, eight hundred thirty-four".