222222210122222 has 16 divisors (see below), whose sum is σ = 335390055200640. Its totient is φ = 110426245584312.

The previous prime is 222222210122221. The next prime is 222222210122243. The reversal of 222222210122222 is 222221012222222.

It is a junction number, because it is equal to n+sod(n) for n = 222222210122191 and 222222210122200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222210122221) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 179514458 + ... + 180748125.

It is an arithmetic number, because the mean of its divisors is an integer number (20961878450040).

Almost surely, 2^{222222210122222} is an apocalyptic number.

222222210122222 is a deficient number, since it is larger than the sum of its proper divisors (113167845078418).

222222210122222 is a wasteful number, since it uses less digits than its factorization.

222222210122222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 360264487.

The product of its (nonzero) digits is 4096, while the sum is 26.

Adding to 222222210122222 its reverse (222221012222222), we get a palindrome (444443222344444).

It can be divided in two parts, 22 and 2222210122222, that multiplied together give a palindrome (48888622688884).

The spelling of 222222210122222 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, two hundred ten million, one hundred twenty-two thousand, two hundred twenty-two".