1000222012222 has 4 divisors (see below), whose sum is σ = 1500333018336. Its totient is φ = 500111006110.

The previous prime is 1000222012213. The next prime is 1000222012249. The reversal of 1000222012222 is 2222102220001.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 1000222012196 and 1000222012205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250055503054 + ... + 250055503057.

It is an arithmetic number, because the mean of its divisors is an integer number (375083254584).

Almost surely, 2^{1000222012222} is an apocalyptic number.

1000222012222 is a deficient number, since it is larger than the sum of its proper divisors (500111006114).

1000222012222 is an equidigital number, since it uses as much as digits as its factorization.

1000222012222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500111006113.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1000222012222 its reverse (2222102220001), we get a palindrome (3222324232223).

The spelling of 1000222012222 in words is "one trillion, two hundred twenty-two million, twelve thousand, two hundred twenty-two".