222041242 has 4 divisors (see below), whose sum is σ = 333061866. Its totient is φ = 111020620.

The previous prime is 222041231. The next prime is 222041263. The reversal of 222041242 is 242140222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242140222 = 2 ⋅121070111.

It can be written as a sum of positive squares in only one way, i.e., 174002481 + 48038761 = 13191^2 + 6931^2 .

It is an unprimeable number.

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, 55510309 + ... + 55510312.

Almost surely, 2^222041242 is an apocalyptic number.

222041242 is a deficient number, since it is larger than the sum of its proper divisors (111020624).

222041242 is a wasteful number, since it uses less digits than its factorization.

222041242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111020623.

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 222041242 is about 14901.0483523811. The cubic root of 222041242 is about 605.5423881746.

Adding to 222041242 its reverse (242140222), we get a palindrome (464181464).

The spelling of 222041242 in words is "two hundred twenty-two million, forty-one thousand, two hundred forty-two".