1000222222222 has 16 divisors (see below), whose sum is σ = 1502235820800. Its totient is φ = 499477068288.

The previous prime is 1000222222211. The next prime is 1000222222229. The reversal of 1000222222222 is 2222222220001.

1000222222222 is a modest number, since divided by 2222222 gives 100022 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 1000222222222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000222222229) 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, 21533779 + ... + 21580177.

It is an arithmetic number, because the mean of its divisors is an integer number (93889738800).

Almost surely, 2^{1000222222222} is an apocalyptic number.

1000222222222 is a deficient number, since it is larger than the sum of its proper divisors (502013598578).

1000222222222 is a wasteful number, since it uses less digits than its factorization.

1000222222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59835.

The product of its (nonzero) digits is 512, while the sum is 19.

Adding to 1000222222222 its reverse (2222222220001), we get a palindrome (3222444442223).

The spelling of 1000222222222 in words is "one trillion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred twenty-two".