1000002221222 has 8 divisors (see below), whose sum is σ = 1500008425416. Its totient is φ = 499999412752.

The previous prime is 1000002221219. The next prime is 1000002221243. The reversal of 1000002221222 is 2221222000001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1000002221197 and 1000002221206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 98978 + ... + 1417674.

It is an arithmetic number, because the mean of its divisors is an integer number (187501053177).

Almost surely, 2^{1000002221222} is an apocalyptic number.

1000002221222 is a deficient number, since it is larger than the sum of its proper divisors (500006204194).

1000002221222 is a wasteful number, since it uses less digits than its factorization.

1000002221222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1697862.

The product of its (nonzero) digits is 64, while the sum is 14.

Adding to 1000002221222 its reverse (2221222000001), we get a palindrome (3221224221223).

The spelling of 1000002221222 in words is "one trillion, two million, two hundred twenty-one thousand, two hundred twenty-two".