242888242 has 8 divisors (see below), whose sum is σ = 364405356. Its totient is φ = 121419792.

The previous prime is 242888237. The next prime is 242888249.

242888242 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 209120521 + 33767721 = 14461^2 + 5811^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 242888195 and 242888204.

It is not an unprimeable number, because it can be changed into a prime (242888249) 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, 5368 + ... + 22684.

Almost surely, 2^242888242 is an apocalyptic number.

242888242 is a deficient number, since it is larger than the sum of its proper divisors (121517114).

242888242 is a wasteful number, since it uses less digits than its factorization.

242888242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24332.

The product of its digits is 131072, while the sum is 40.

The square root of 242888242 is about 15584.8722163513. The cubic root of 242888242 is about 623.9294672222.

The spelling of 242888242 in words is "two hundred forty-two million, eight hundred eighty-eight thousand, two hundred forty-two".