1222422403843 has 4 divisors (see below), whose sum is σ = 1230626581200. Its totient is φ = 1214218226488.

The previous prime is 1222422403801. The next prime is 1222422403861. The reversal of 1222422403843 is 3483042242221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1222422403843 - 2¹³ = 1222422395651 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222422493843) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4102088455 + ... + 4102088752.

It is an arithmetic number, because the mean of its divisors is an integer number (307656645300).

Almost surely, 2^{1222422403843} is an apocalyptic number.

1222422403843 is a deficient number, since it is larger than the sum of its proper divisors (8204177357).

1222422403843 is an equidigital number, since it uses as much as digits as its factorization.

1222422403843 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8204177356.

The product of its (nonzero) digits is 147456, while the sum is 37.

The spelling of 1222422403843 in words is "one trillion, two hundred twenty-two billion, four hundred twenty-two million, four hundred three thousand, eight hundred forty-three".