1222345666790 has 16 divisors (see below), whose sum is σ = 2203128716112. Its totient is φ = 488292374304.

The previous prime is 1222345666753. The next prime is 1222345666813. The reversal of 1222345666790 is 976665432221.

It is a happy number.

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, 80728604 + ... + 80743743.

It is an arithmetic number, because the mean of its divisors is an integer number (137695544757).

Almost surely, 2^{1222345666790} is an apocalyptic number.

1222345666790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1222345666790 is a deficient number, since it is larger than the sum of its proper divisors (980783049322).

1222345666790 is a wasteful number, since it uses less digits than its factorization.

1222345666790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161473111.

The product of its (nonzero) digits is 6531840, while the sum is 53.

The spelling of 1222345666790 in words is "one trillion, two hundred twenty-two billion, three hundred forty-five million, six hundred sixty-six thousand, seven hundred ninety".