1222597755426 has 16 divisors (see below), whose sum is σ = 2447432665344. Its totient is φ = 407159726064.

The previous prime is 1222597755343. The next prime is 1222597755433. The reversal of 1222597755426 is 6245577952221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 93207666 + ... + 93220781.

It is an arithmetic number, because the mean of its divisors is an integer number (152964541584).

Almost surely, 2^{1222597755426} is an apocalyptic number.

1222597755426 is an abundant number, since it is smaller than the sum of its proper divisors (1224834909918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1222597755426 is a wasteful number, since it uses less digits than its factorization.

1222597755426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186429545.

The product of its digits is 21168000, while the sum is 57.

The spelling of 1222597755426 in words is "one trillion, two hundred twenty-two billion, five hundred ninety-seven million, seven hundred fifty-five thousand, four hundred twenty-six".