422689881455 has 4 divisors (see below), whose sum is σ = 507227857752. Its totient is φ = 338151905160.

The previous prime is 422689881421. The next prime is 422689881457. The reversal of 422689881455 is 554188986224.

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

It is not a de Polignac number, because 422689881455 - 2⁶ = 422689881391 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422689881457) by changing a digit.

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, 42268988141 + ... + 42268988150.

It is an arithmetic number, because the mean of its divisors is an integer number (126806964438).

Almost surely, 2^422689881455 is an apocalyptic number.

422689881455 is a deficient number, since it is larger than the sum of its proper divisors (84537976297).

422689881455 is an equidigital number, since it uses as much as digits as its factorization.

422689881455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84537976296.

The product of its digits is 44236800, while the sum is 62.

The spelling of 422689881455 in words is "four hundred twenty-two billion, six hundred eighty-nine million, eight hundred eighty-one thousand, four hundred fifty-five".