1422955957187 has 2 divisors, whose sum is σ = 1422955957188. Its totient is φ = 1422955957186.

The previous prime is 1422955957151. The next prime is 1422955957211. The reversal of 1422955957187 is 7817595592241.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1422955957187 - 2⁶ = 1422955957123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1422955957487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 711477978593 + 711477978594.

It is an arithmetic number, because the mean of its divisors is an integer number (711477978594).

Almost surely, 2^{1422955957187} is an apocalyptic number.

1422955957187 is a deficient number, since it is larger than the sum of its proper divisors (1).

1422955957187 is an equidigital number, since it uses as much as digits as its factorization.

1422955957187 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504000, while the sum is 65.

The spelling of 1422955957187 in words is "one trillion, four hundred twenty-two billion, nine hundred fifty-five million, nine hundred fifty-seven thousand, one hundred eighty-seven".