224042242 has 4 divisors (see below), whose sum is σ = 336063366. Its totient is φ = 112021120.

The previous prime is 224042213. The next prime is 224042249. The reversal of 224042242 is 242240422.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 178195801 + 45846441 = 13349^2 + 6771^2 .

It is not an unprimeable number, because it can be changed into a prime (224042249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56010559 + ... + 56010562.

Almost surely, 2^224042242 is an apocalyptic number.

224042242 is a deficient number, since it is larger than the sum of its proper divisors (112021124).

224042242 is a wasteful number, since it uses less digits than its factorization.

224042242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112021123.

The product of its (nonzero) digits is 2048, while the sum is 22.

The square root of 224042242 is about 14968.0406867432. The cubic root of 224042242 is about 607.3559680445.

Adding to 224042242 its reverse (242240422), we get a palindrome (466282664).

The spelling of 224042242 in words is "two hundred twenty-four million, forty-two thousand, two hundred forty-two".