422617608 has 256 divisors, whose sum is σ = 1446912000. Its totient is φ = 111601152.

The previous prime is 422617607. The next prime is 422617661. The reversal of 422617608 is 806716224.

422617608 is a `hidden beast` number, since 42 + 2 + 6 + 1 + 7 + 608 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (422617607) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1350060 + ... + 1350372.

It is an arithmetic number, because the mean of its divisors is an integer number (5652000).

Almost surely, 2^422617608 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 422617608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (723456000).

422617608 is an abundant number, since it is smaller than the sum of its proper divisors (1024294392).

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

422617608 is a wasteful number, since it uses less digits than its factorization.

422617608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 391 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 422617608 is about 20557.6654316583. The cubic root of 422617608 is about 750.4398060438.

The spelling of 422617608 in words is "four hundred twenty-two million, six hundred seventeen thousand, six hundred eight".