242115210 has 32 divisors (see below), whose sum is σ = 645641280. Its totient is φ = 64563984.

The previous prime is 242115197. The next prime is 242115217. The reversal of 242115210 is 12511242.

242115210 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (242115217) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 448092 + ... + 448631.

It is an arithmetic number, because the mean of its divisors is an integer number (20176290).

Almost surely, 2^242115210 is an apocalyptic number.

242115210 is an abundant number, since it is smaller than the sum of its proper divisors (403526070).

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

242115210 is a wasteful number, since it uses less digits than its factorization.

242115210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 896739 (or 896733 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 242115210 is about 15560.0517351325. The cubic root of 242115210 is about 623.2668441827.

Adding to 242115210 its reverse (12511242), we get a palindrome (254626452).

The spelling of 242115210 in words is "two hundred forty-two million, one hundred fifteen thousand, two hundred ten".