1422156755243 has 16 divisors (see below), whose sum is σ = 1648201446336. Its totient is φ = 1201943715840.

The previous prime is 1422156755231. The next prime is 1422156755323. The reversal of 1422156755243 is 3425576512241.

It is not a de Polignac number, because 1422156755243 - 2¹⁸ = 1422156493099 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422156755843) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4505168 + ... + 4810493.

It is an arithmetic number, because the mean of its divisors is an integer number (103012590396).

Almost surely, 2^{1422156755243} is an apocalyptic number.

1422156755243 is a deficient number, since it is larger than the sum of its proper divisors (226044691093).

1422156755243 is a wasteful number, since it uses less digits than its factorization.

1422156755243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9315974.

The product of its digits is 2016000, while the sum is 47.

The spelling of 1422156755243 in words is "one trillion, four hundred twenty-two billion, one hundred fifty-six million, seven hundred fifty-five thousand, two hundred forty-three".