422125205455 has 4 divisors (see below), whose sum is σ = 506550246552. Its totient is φ = 337700164360.

The previous prime is 422125205419. The next prime is 422125205471. The reversal of 422125205455 is 554502521224.

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

It is not a de Polignac number, because 422125205455 - 2¹⁷ = 422125074383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42212520541 + ... + 42212520550.

It is an arithmetic number, because the mean of its divisors is an integer number (126637561638).

Almost surely, 2^422125205455 is an apocalyptic number.

422125205455 is a deficient number, since it is larger than the sum of its proper divisors (84425041097).

422125205455 is an equidigital number, since it uses as much as digits as its factorization.

422125205455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84425041096.

The product of its (nonzero) digits is 160000, while the sum is 37.

Adding to 422125205455 its reverse (554502521224), we get a palindrome (976627726679).

The spelling of 422125205455 in words is "four hundred twenty-two billion, one hundred twenty-five million, two hundred five thousand, four hundred fifty-five".