222020220122 has 4 divisors (see below), whose sum is σ = 333030330186. Its totient is φ = 111010110060.

The previous prime is 222020220091. The next prime is 222020220217. The reversal of 222020220122 is 221022020222.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 221022020222 = 2 ⋅110511010111.

It can be written as a sum of positive squares in only one way, i.e., 180802693681 + 41217526441 = 425209^2 + 203021^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 222020220122.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55505055029 + ... + 55505055032.

Almost surely, 2^222020220122 is an apocalyptic number.

222020220122 is a deficient number, since it is larger than the sum of its proper divisors (111010110064).

222020220122 is a wasteful number, since it uses less digits than its factorization.

222020220122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111010110063.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 222020220122 its reverse (221022020222), we get a palindrome (443042240344).

The spelling of 222020220122 in words is "two hundred twenty-two billion, twenty million, two hundred twenty thousand, one hundred twenty-two".