222012212242 has 8 divisors (see below), whose sum is σ = 333449133516. Its totient is φ = 110862501072.

The previous prime is 222012212189. The next prime is 222012212251. The reversal of 222012212242 is 242212210222.

It can be written as a sum of positive squares in 2 ways, for example, as 221040082201 + 972130041 = 470149^2 + 31179^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71800593 + ... + 71803684.

Almost surely, 2^222012212242 is an apocalyptic number.

222012212242 is a deficient number, since it is larger than the sum of its proper divisors (111436921274).

222012212242 is a wasteful number, since it uses less digits than its factorization.

222012212242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143605052.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 222012212242 its reverse (242212210222), we get a palindrome (464224422464).

The spelling of 222012212242 in words is "two hundred twenty-two billion, twelve million, two hundred twelve thousand, two hundred forty-two".