422379921055 has 4 divisors (see below), whose sum is σ = 506855905272. Its totient is φ = 337903936840.

The previous prime is 422379921037. The next prime is 422379921071. The reversal of 422379921055 is 550129973224.

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

It is not a de Polignac number, because 422379921055 - 2⁷ = 422379920927 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, 42237992101 + ... + 42237992110.

It is an arithmetic number, because the mean of its divisors is an integer number (126713976318).

Almost surely, 2^422379921055 is an apocalyptic number.

422379921055 is a deficient number, since it is larger than the sum of its proper divisors (84475984217).

422379921055 is an equidigital number, since it uses as much as digits as its factorization.

422379921055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84475984216.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 422379921055 in words is "four hundred twenty-two billion, three hundred seventy-nine million, nine hundred twenty-one thousand, fifty-five".