422125568 has 42 divisors (see below), whose sum is σ = 847934931. Its totient is φ = 210132992.

The previous prime is 422125567. The next prime is 422125573. The reversal of 422125568 is 865521224.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in only one way, i.e., 211062784 + 211062784 = 14528^2 + 14528^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=14528.

It is a Duffinian number.

Its product of digits (38400) is a multiple of the sum of its prime factors (480).

It is not an unprimeable number, because it can be changed into a prime (422125567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 1859471 + ... + 1859697.

Almost surely, 2^422125568 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 422125568

422125568 is an abundant number, since it is smaller than the sum of its proper divisors (425809363).

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

422125568 is an frugal number, since it uses more digits than its factorization.

422125568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 229 counting only the distinct ones).

The product of its digits is 38400, while the sum is 35.

The square root of 422125568 is about 20545.6946341563. The cubic root of 422125568 is about 750.1484553535.

The spelling of 422125568 in words is "four hundred twenty-two million, one hundred twenty-five thousand, five hundred sixty-eight".