222100222122 has 48 divisors (see below), whose sum is σ = 494462921472. Its totient is φ = 71997539040.

The previous prime is 222100222117. The next prime is 222100222151. The reversal of 222100222122 is 221222001222.

222100222122 is a `hidden beast` number, since 222 + 100 + 222 + 122 = 666.

222100222122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 222100222095 and 222100222104.

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 23 ways as a sum of consecutive naturals, for example, 1310047 + ... + 1469837.

It is an arithmetic number, because the mean of its divisors is an integer number (10301310864).

Almost surely, 2^222100222122 is an apocalyptic number.

222100222122 is an abundant number, since it is smaller than the sum of its proper divisors (272362699350).

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

222100222122 is a wasteful number, since it uses less digits than its factorization.

222100222122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161923 (or 161920 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 222100222122 its reverse (221222001222), we get a palindrome (443322223344).

The spelling of 222100222122 in words is "two hundred twenty-two billion, one hundred million, two hundred twenty-two thousand, one hundred twenty-two".