222202210122 has 40 divisors (see below), whose sum is σ = 497956140000. Its totient is φ = 74058686856.

The previous prime is 222202210081. The next prime is 222202210123. The reversal of 222202210122 is 221012202222.

222202210122 is digitally balanced in base 2 and base 3, because in such bases 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 = 222202210095 and 222202210104.

It is not an unprimeable number, because it can be changed into a prime (222202210123) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 1381629 + ... + 1534047.

It is an arithmetic number, because the mean of its divisors is an integer number (12448903500).

Almost surely, 2^222202210122 is an apocalyptic number.

222202210122 is an abundant number, since it is smaller than the sum of its proper divisors (275753929878).

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

222202210122 is a wasteful number, since it uses less digits than its factorization.

222202210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161432 (or 161423 counting only the distinct ones).

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

Adding to 222202210122 its reverse (221012202222), we get a palindrome (443214412344).

The spelling of 222202210122 in words is "two hundred twenty-two billion, two hundred two million, two hundred ten thousand, one hundred twenty-two".