242216418 has 16 divisors (see below), whose sum is σ = 484659360. Its totient is φ = 80701056.

The previous prime is 242216399. The next prime is 242216419. The reversal of 242216418 is 814612242.

It is not an unprimeable number, because it can be changed into a prime (242216419) 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, 6546 + ... + 22962.

It is an arithmetic number, because the mean of its divisors is an integer number (30291210).

Almost surely, 2^242216418 is an apocalyptic number.

242216418 is an abundant number, since it is smaller than the sum of its proper divisors (242442942).

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

242216418 is a wasteful number, since it uses less digits than its factorization.

242216418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18881.

The product of its digits is 6144, while the sum is 30.

The square root of 242216418 is about 15563.3035696153. The cubic root of 242216418 is about 623.3536772285.

The spelling of 242216418 in words is "two hundred forty-two million, two hundred sixteen thousand, four hundred eighteen".