1222263643286 has 16 divisors (see below), whose sum is σ = 2099070891936. Its totient is φ = 522886828416.

The previous prime is 1222263643247. The next prime is 1222263643301. The reversal of 1222263643286 is 6823463622221.

It is a self number, because there is not a number n which added to its sum of digits gives 1222263643286.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78362531 + ... + 78378126.

It is an arithmetic number, because the mean of its divisors is an integer number (131191930746).

Almost surely, 2^{1222263643286} is an apocalyptic number.

1222263643286 is a deficient number, since it is larger than the sum of its proper divisors (876807248650).

1222263643286 is a wasteful number, since it uses less digits than its factorization.

1222263643286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156741223.

The product of its digits is 1990656, while the sum is 47.

The spelling of 1222263643286 in words is "one trillion, two hundred twenty-two billion, two hundred sixty-three million, six hundred forty-three thousand, two hundred eighty-six".