242170282 has 4 divisors (see below), whose sum is σ = 363255426. Its totient is φ = 121085140.

The previous prime is 242170267. The next prime is 242170283. The reversal of 242170282 is 282071242.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 228040201 + 14130081 = 15101^2 + 3759^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 242170282.

It is not an unprimeable number, because it can be changed into a prime (242170283) 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 as a sum of consecutive naturals, namely, 60542569 + ... + 60542572.

Almost surely, 2^242170282 is an apocalyptic number.

242170282 is a deficient number, since it is larger than the sum of its proper divisors (121085144).

242170282 is a wasteful number, since it uses less digits than its factorization.

242170282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121085143.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 242170282 is about 15561.8212944372. The cubic root of 242170282 is about 623.3140970992.

The spelling of 242170282 in words is "two hundred forty-two million, one hundred seventy thousand, two hundred eighty-two".