222022210122 has 24 divisors (see below), whose sum is σ = 487823450400. Its totient is φ = 72965045160.

The previous prime is 222022210097. The next prime is 222022210127. The reversal of 222022210122 is 221012220222.

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 = 222022210095 and 222022210104.

It is not an unprimeable number, because it can be changed into a prime (222022210127) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 86861872 + ... + 86864427.

It is an arithmetic number, because the mean of its divisors is an integer number (20325977100).

Almost surely, 2^222022210122 is an apocalyptic number.

222022210122 is an abundant number, since it is smaller than the sum of its proper divisors (265801240278).

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

222022210122 is a wasteful number, since it uses less digits than its factorization.

222022210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 173726378 (or 173726375 counting only the distinct ones).

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

Adding to 222022210122 its reverse (221012220222), we get a palindrome (443034430344).

The spelling of 222022210122 in words is "two hundred twenty-two billion, twenty-two million, two hundred ten thousand, one hundred twenty-two".