223040242 has 4 divisors (see below), whose sum is σ = 334560366. Its totient is φ = 111520120.

The previous prime is 223040227. The next prime is 223040243. The reversal of 223040242 is 242040322.

223040242 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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., 156275001 + 66765241 = 12501^2 + 8171^2 .

It is not an unprimeable number, because it can be changed into a prime (223040243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55760059 + ... + 55760062.

Almost surely, 2^223040242 is an apocalyptic number.

223040242 is a deficient number, since it is larger than the sum of its proper divisors (111520124).

223040242 is a wasteful number, since it uses less digits than its factorization.

223040242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111520123.

The product of its (nonzero) digits is 768, while the sum is 19.

The square root of 223040242 is about 14934.5318641061. The cubic root of 223040242 is about 606.4491744762.

Adding to 223040242 its reverse (242040322), we get a palindrome (465080564).

The spelling of 223040242 in words is "two hundred twenty-three million, forty thousand, two hundred forty-two".