222222001012222 has 16 divisors (see below), whose sum is σ = 333531688562640. Its totient is φ = 111044773933312.

The previous prime is 222222001012189. The next prime is 222222001012237. The reversal of 222222001012222 is 222210100222222.

It is a junction number, because it is equal to n+sod(n) for n = 222222001012193 and 222222001012202.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 190300929 + ... + 191465107.

It is an arithmetic number, because the mean of its divisors is an integer number (20845730535165).

Almost surely, 2^{222222001012222} is an apocalyptic number.

222222001012222 is a deficient number, since it is larger than the sum of its proper divisors (111309687550418).

222222001012222 is a wasteful number, since it uses less digits than its factorization.

222222001012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1220987.

The product of its (nonzero) digits is 1024, while the sum is 22.

Adding to 222222001012222 its reverse (222210100222222), we get a palindrome (444432101234444).

The spelling of 222222001012222 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, one million, twelve thousand, two hundred twenty-two".