1422420660443 has 4 divisors (see below), whose sum is σ = 1484265037008. Its totient is φ = 1360576283880.

The previous prime is 1422420660431. The next prime is 1422420660509. The reversal of 1422420660443 is 3440660242241.

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 1422420660443 - 2¹⁸ = 1422420398299 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1422420660397 and 1422420660406.

It is not an unprimeable number, because it can be changed into a prime (1422420660743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30922188248 + ... + 30922188293.

It is an arithmetic number, because the mean of its divisors is an integer number (371066259252).

Almost surely, 2^{1422420660443} is an apocalyptic number.

1422420660443 is a deficient number, since it is larger than the sum of its proper divisors (61844376565).

1422420660443 is an equidigital number, since it uses as much as digits as its factorization.

1422420660443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61844376564.

The product of its (nonzero) digits is 221184, while the sum is 38.

The spelling of 1422420660443 in words is "one trillion, four hundred twenty-two billion, four hundred twenty million, six hundred sixty thousand, four hundred forty-three".