1222322206042 has 32 divisors (see below), whose sum is σ = 2166276178944. Its totient is φ = 506186841600.

The previous prime is 1222322205991. The next prime is 1222322206051. The reversal of 1222322206042 is 2406022232221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222322206042.

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, 1843543 + ... + 2417290.

It is an arithmetic number, because the mean of its divisors is an integer number (67696130592).

Almost surely, 2^{1222322206042} is an apocalyptic number.

1222322206042 is a deficient number, since it is larger than the sum of its proper divisors (943953972902).

1222322206042 is a wasteful number, since it uses less digits than its factorization.

1222322206042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4261534.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 1222322206042 its reverse (2406022232221), we get a palindrome (3628344438263).

The spelling of 1222322206042 in words is "one trillion, two hundred twenty-two billion, three hundred twenty-two million, two hundred six thousand, forty-two".