1222043044394 has 32 divisors (see below), whose sum is σ = 1928488642560. Its totient is φ = 579662622000.

The previous prime is 1222043044381. The next prime is 1222043044403. The reversal of 1222043044394 is 4934403402221.

It is a happy number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 4243517 + ... + 4522335.

It is an arithmetic number, because the mean of its divisors is an integer number (60265270080).

Almost surely, 2^{1222043044394} is an apocalyptic number.

1222043044394 is a deficient number, since it is larger than the sum of its proper divisors (706445598166).

1222043044394 is a wasteful number, since it uses less digits than its factorization.

1222043044394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279626.

The product of its (nonzero) digits is 165888, while the sum is 38.

The spelling of 1222043044394 in words is "one trillion, two hundred twenty-two billion, forty-three million, forty-four thousand, three hundred ninety-four".