224140242 has 8 divisors (see below), whose sum is σ = 448280496. Its totient is φ = 74713412.

The previous prime is 224140177. The next prime is 224140243. The reversal of 224140242 is 242041422.

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

224140242 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (224140243) 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, 18678348 + ... + 18678359.

It is an arithmetic number, because the mean of its divisors is an integer number (56035062).

Almost surely, 2^224140242 is an apocalyptic number.

224140242 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

224140242 is a wasteful number, since it uses less digits than its factorization.

224140242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37356712.

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 224140242 is about 14971.3139703902. The cubic root of 224140242 is about 607.4445111810. Note that the first 3 decimals are identical.

Adding to 224140242 its reverse (242041422), we get a palindrome (466181664).

The spelling of 224140242 in words is "two hundred twenty-four million, one hundred forty thousand, two hundred forty-two".