422685856 has 24 divisors (see below), whose sum is σ = 875962080. Its totient is φ = 200219328.

The previous prime is 422685847. The next prime is 422685859. The reversal of 422685856 is 658586224.

It is not an unprimeable number, because it can be changed into a prime (422685859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 346996 + ... + 348211.

It is an arithmetic number, because the mean of its divisors is an integer number (36498420).

Almost surely, 2^422685856 is an apocalyptic number.

It is an amenable number.

422685856 is an abundant number, since it is smaller than the sum of its proper divisors (453276224).

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

422685856 is a wasteful number, since it uses less digits than its factorization.

422685856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 695236 (or 695228 counting only the distinct ones).

The product of its digits is 921600, while the sum is 46.

The square root of 422685856 is about 20559.3252807576. The cubic root of 422685856 is about 750.4801997379.

The spelling of 422685856 in words is "four hundred twenty-two million, six hundred eighty-five thousand, eight hundred fifty-six".