242558212 has 12 divisors (see below), whose sum is σ = 457129036. Its totient is φ = 111949920.

The previous prime is 242558209. The next prime is 242558213. The reversal of 242558212 is 212855242.

It can be written as a sum of positive squares in 2 ways, for example, as 15634116 + 226924096 = 3954^2 + 15064^2 .

It is a super-3 number, since 3×242558212³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (242558213) 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, 2332239 + ... + 2332342.

Almost surely, 2^242558212 is an apocalyptic number.

It is an amenable number.

242558212 is a deficient number, since it is larger than the sum of its proper divisors (214570824).

242558212 is a wasteful number, since it uses less digits than its factorization.

242558212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4664598 (or 4664596 counting only the distinct ones).

The product of its digits is 12800, while the sum is 31.

The square root of 242558212 is about 15574.2804649204. The cubic root of 242558212 is about 623.6467462817.

The spelling of 242558212 in words is "two hundred forty-two million, five hundred fifty-eight thousand, two hundred twelve".