242283178 has 8 divisors (see below), whose sum is σ = 373247172. Its totient is φ = 117867456.

The previous prime is 242283137. The next prime is 242283179. The reversal of 242283178 is 871382242.

242283178 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 239537529 + 2745649 = 15477^2 + 1657^2 .

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

It is a super-2 number, since 2×242283178² = 117402276683559368, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is not an unprimeable number, because it can be changed into a prime (242283179) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1636975 + ... + 1637122.

Almost surely, 2^242283178 is an apocalyptic number.

242283178 is a deficient number, since it is larger than the sum of its proper divisors (130963994).

242283178 is a wasteful number, since it uses less digits than its factorization.

242283178 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3274136.

The product of its digits is 43008, while the sum is 37.

The square root of 242283178 is about 15565.4482107005. The cubic root of 242283178 is about 623.4109418146.

The spelling of 242283178 in words is "two hundred forty-two million, two hundred eighty-three thousand, one hundred seventy-eight".