1222244422222 has 32 divisors (see below), whose sum is σ = 1857816186624. Its totient is φ = 603035712000.

The previous prime is 1222244422207. The next prime is 1222244422253. The reversal of 1222244422222 is 2222244422221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40260453 + ... + 40290799.

It is an arithmetic number, because the mean of its divisors is an integer number (58056755832).

Almost surely, 2^{1222244422222} is an apocalyptic number.

1222244422222 is a deficient number, since it is larger than the sum of its proper divisors (635571764402).

1222244422222 is a wasteful number, since it uses less digits than its factorization.

1222244422222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31384.

The product of its digits is 32768, while the sum is 31.

Adding to 1222244422222 its reverse (2222244422221), we get a palindrome (3444488844443).

Subtracting 1222244422222 from its reverse (2222244422221), we obtain a palindrome (999999999999).

The spelling of 1222244422222 in words is "one trillion, two hundred twenty-two billion, two hundred forty-four million, four hundred twenty-two thousand, two hundred twenty-two".