1222221222022 has 64 divisors (see below), whose sum is σ = 1974429432000. Its totient is φ = 565661491200.

The previous prime is 1222221221999. The next prime is 1222221222029. The reversal of 1222221222022 is 2202221222221.

It is a junction number, because it is equal to n+sod(n) for n = 1222221221984 and 1222221222002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222221222029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 789038104 + ... + 789039652.

It is an arithmetic number, because the mean of its divisors is an integer number (30850459875).

Almost surely, 2^{1222221222022} is an apocalyptic number.

1222221222022 is a deficient number, since it is larger than the sum of its proper divisors (752208209978).

1222221222022 is a wasteful number, since it uses less digits than its factorization.

1222221222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001.

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

Adding to 1222221222022 its reverse (2202221222221), we get a palindrome (3424442444243).

The spelling of 1222221222022 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-one million, two hundred twenty-two thousand, twenty-two".