422843628 has 24 divisors (see below), whose sum is σ = 997723440. Its totient is φ = 139363840.

The previous prime is 422843611. The next prime is 422843657. The reversal of 422843628 is 826348224.

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 7 ways as a sum of consecutive naturals, for example, 196893 + ... + 199028.

It is an arithmetic number, because the mean of its divisors is an integer number (41571810).

Almost surely, 2^422843628 is an apocalyptic number.

It is an amenable number.

422843628 is an abundant number, since it is smaller than the sum of its proper divisors (574879812).

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

422843628 is a wasteful number, since it uses less digits than its factorization.

422843628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396017 (or 396015 counting only the distinct ones).

The product of its digits is 147456, while the sum is 39.

The square root of 422843628 is about 20563.1619163980. The cubic root of 422843628 is about 750.5735630332.

The spelling of 422843628 in words is "four hundred twenty-two million, eight hundred forty-three thousand, six hundred twenty-eight".