222123214312242 has 128 divisors (see below), whose sum is σ = 488299866531840. Its totient is φ = 67047642224640.

The previous prime is 222123214312211. The next prime is 222123214312267. The reversal of 222123214312242 is 242213412321222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 40511252833 + ... + 40511258315.

It is an arithmetic number, because the mean of its divisors is an integer number (3814842707280).

Almost surely, 2^{222123214312242} is an apocalyptic number.

222123214312242 is an abundant number, since it is smaller than the sum of its proper divisors (266176652219598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222123214312242 is a wasteful number, since it uses less digits than its factorization.

222123214312242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13488.

The product of its digits is 36864, while the sum is 33.

Adding to 222123214312242 its reverse (242213412321222), we get a palindrome (464336626633464).

The spelling of 222123214312242 in words is "two hundred twenty-two trillion, one hundred twenty-three billion, two hundred fourteen million, three hundred twelve thousand, two hundred forty-two".