242118588 has 24 divisors (see below), whose sum is σ = 565229392. Its totient is φ = 80665344.

The previous prime is 242118581. The next prime is 242118601. The reversal of 242118588 is 885811242.

It is a super-2 number, since 2×242118588² = 117242821310227488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242118581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28356 + ... + 35892.

Almost surely, 2^242118588 is an apocalyptic number.

It is an amenable number.

242118588 is an abundant number, since it is smaller than the sum of its proper divisors (323110804).

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

242118588 is a wasteful number, since it uses less digits than its factorization.

242118588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10221 (or 10219 counting only the distinct ones).

The product of its digits is 40960, while the sum is 39.

The square root of 242118588 is about 15560.1602819508. The cubic root of 242118588 is about 623.2697427829.

The spelling of 242118588 in words is "two hundred forty-two million, one hundred eighteen thousand, five hundred eighty-eight".