222223142242 has 4 divisors (see below), whose sum is σ = 333334713366. Its totient is φ = 111111571120.

The previous prime is 222223142203. The next prime is 222223142249. The reversal of 222223142242 is 242241322222.

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., 155921527161 + 66301615081 = 394869^2 + 257491^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222223142242.

It is not an unprimeable number, because it can be changed into a prime (222223142249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55555785559 + ... + 55555785562.

Almost surely, 2^222223142242 is an apocalyptic number.

222223142242 is a deficient number, since it is larger than the sum of its proper divisors (111111571124).

222223142242 is a wasteful number, since it uses less digits than its factorization.

222223142242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111111571123.

The product of its digits is 12288, while the sum is 28.

Adding to 222223142242 its reverse (242241322222), we get a palindrome (464464464464).

The spelling of 222223142242 in words is "two hundred twenty-two billion, two hundred twenty-three million, one hundred forty-two thousand, two hundred forty-two".