422064608 has 96 divisors (see below), whose sum is σ = 1005903360. Its totient is φ = 170472960.

The previous prime is 422064607. The next prime is 422064641. The reversal of 422064608 is 806460224.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422064607) 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 15 ways as a sum of consecutive naturals, for example, 278573 + ... + 280083.

It is an arithmetic number, because the mean of its divisors is an integer number (10478160).

Almost surely, 2^422064608 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422064608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (502951680).

422064608 is an abundant number, since it is smaller than the sum of its proper divisors (583838752).

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

422064608 is a wasteful number, since it uses less digits than its factorization.

422064608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1600 (or 1592 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 422064608 is about 20544.2110581059. The cubic root of 422064608 is about 750.1123434674.

The spelling of 422064608 in words is "four hundred twenty-two million, sixty-four thousand, six hundred eight".