422305856 has 56 divisors (see below), whose sum is σ = 1008156480. Its totient is φ = 171459072.

The previous prime is 422305853. The next prime is 422305883. The reversal of 422305856 is 658503224.

It is a tau number, because it is divible by the number of its divisors (56).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422305853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16295 + ... + 33318.

Almost surely, 2^422305856 is an apocalyptic number.

It is an amenable number.

422305856 is an abundant number, since it is smaller than the sum of its proper divisors (585850624).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422305856 is a wasteful number, since it uses less digits than its factorization.

422305856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49651 (or 49641 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 422305856 is about 20550.0816543390. The cubic root of 422305856 is about 750.2552352042.

The spelling of 422305856 in words is "four hundred twenty-two million, three hundred five thousand, eight hundred fifty-six".