242002170 has 24 divisors (see below), whose sum is σ = 629205876. Its totient is φ = 64533888.

The previous prime is 242002141. The next prime is 242002177. The reversal of 242002170 is 71200242.

It can be written as a sum of positive squares in 2 ways, for example, as 240467049 + 1535121 = 15507^2 + 1239^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (242002177) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1344367 + ... + 1344546.

Almost surely, 2^242002170 is an apocalyptic number.

242002170 is an abundant number, since it is smaller than the sum of its proper divisors (387203706).

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

242002170 is a wasteful number, since it uses less digits than its factorization.

242002170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2688926 (or 2688923 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 18.

The square root of 242002170 is about 15556.4189323893. The cubic root of 242002170 is about 623.1698310684.

The spelling of 242002170 in words is "two hundred forty-two million, two thousand, one hundred seventy".