422909648 has 40 divisors (see below), whose sum is σ = 977163648. Its totient is φ = 173365632.

The previous prime is 422909623. The next prime is 422909677. The reversal of 422909648 is 846909224.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 422909599 and 422909608.

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 7 ways as a sum of consecutive naturals, for example, 79511 + ... + 84662.

Almost surely, 2^422909648 is an apocalyptic number.

It is an amenable number.

422909648 is an abundant number, since it is smaller than the sum of its proper divisors (554254000).

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

422909648 is a wasteful number, since it uses less digits than its factorization.

422909648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164211 (or 164205 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The square root of 422909648 is about 20564.7671516115. The cubic root of 422909648 is about 750.6126241933.

The spelling of 422909648 in words is "four hundred twenty-two million, nine hundred nine thousand, six hundred forty-eight".