242210242 has 4 divisors (see below), whose sum is σ = 363315366. Its totient is φ = 121105120.

The previous prime is 242210219. The next prime is 242210299. The reversal of 242210242 is 242012242.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242012242 = 2 ⋅121006121.

It can be written as a sum of positive squares in only one way, i.e., 181198521 + 61011721 = 13461^2 + 7811^2 .

It is an unprimeable number.

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, 60552559 + ... + 60552562.

Almost surely, 2^242210242 is an apocalyptic number.

242210242 is a deficient number, since it is larger than the sum of its proper divisors (121105124).

242210242 is a wasteful number, since it uses less digits than its factorization.

242210242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121105123.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 242210242 is about 15563.1051528929. The cubic root of 242210242 is about 623.3483791221.

Adding to 242210242 its reverse (242012242), we get a palindrome (484222484).

The spelling of 242210242 in words is "two hundred forty-two million, two hundred ten thousand, two hundred forty-two".