1222222000022 has 16 divisors (see below), whose sum is σ = 1958354673552. Its totient is φ = 570073351680.

The previous prime is 1222221999923. The next prime is 1222222000079. The reversal of 1222222000022 is 2200002222221.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159056804 + ... + 159064487.

It is an arithmetic number, because the mean of its divisors is an integer number (122397167097).

Almost surely, 2^{1222222000022} is an apocalyptic number.

1222222000022 is a deficient number, since it is larger than the sum of its proper divisors (736132673530).

1222222000022 is a wasteful number, since it uses less digits than its factorization.

1222222000022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318121423.

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 1222222000022 its reverse (2200002222221), we get a palindrome (3422224222243).

The spelling of 1222222000022 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-two million, twenty-two", and thus it is an aban number.