1422305623426 has 4 divisors (see below), whose sum is σ = 2133458435142. Its totient is φ = 711152811712.

The previous prime is 1422305623411. The next prime is 1422305623507. The reversal of 1422305623426 is 6243265032241.

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

It can be written as a sum of positive squares in only one way, i.e., 750969562225 + 671336061201 = 866585^2 + 819351^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax 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 as a sum of consecutive naturals, namely, 355576405855 + ... + 355576405858.

Almost surely, 2^{1422305623426} is an apocalyptic number.

1422305623426 is a deficient number, since it is larger than the sum of its proper divisors (711152811716).

1422305623426 is an equidigital number, since it uses as much as digits as its factorization.

1422305623426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 711152811715.

The product of its (nonzero) digits is 414720, while the sum is 40.

The spelling of 1422305623426 in words is "one trillion, four hundred twenty-two billion, three hundred five million, six hundred twenty-three thousand, four hundred twenty-six".