422783005 has 4 divisors (see below), whose sum is σ = 507339612. Its totient is φ = 338226400.

The previous prime is 422782951. The next prime is 422783017. The reversal of 422783005 is 500387224.

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

It can be written as a sum of positive squares in 2 ways, for example, as 58660281 + 364122724 = 7659^2 + 19082^2 .

It is not a de Polignac number, because 422783005 - 2¹¹ = 422780957 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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42278296 + ... + 42278305.

It is an arithmetic number, because the mean of its divisors is an integer number (126834903).

Almost surely, 2^422783005 is an apocalyptic number.

It is an amenable number.

422783005 is a deficient number, since it is larger than the sum of its proper divisors (84556607).

422783005 is an equidigital number, since it uses as much as digits as its factorization.

422783005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84556606.

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 422783005 is about 20561.6877955094. The cubic root of 422783005 is about 750.5376914621.

The spelling of 422783005 in words is "four hundred twenty-two million, seven hundred eighty-three thousand, five".