422956764 has 72 divisors (see below), whose sum is σ = 1113840000. Its totient is φ = 135160704.

The previous prime is 422956759. The next prime is 422956771. The reversal of 422956764 is 467659224.

422956764 is a `hidden beast` number, since 4 + 2 + 29 + 567 + 64 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154197 + ... + 156915.

It is an arithmetic number, because the mean of its divisors is an integer number (15470000).

Almost surely, 2^422956764 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 422956764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (556920000).

422956764 is an abundant number, since it is smaller than the sum of its proper divisors (690883236).

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

422956764 is a wasteful number, since it uses less digits than its factorization.

422956764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2907 (or 2902 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The square root of 422956764 is about 20565.9126712140. The cubic root of 422956764 is about 750.6404981937.

The spelling of 422956764 in words is "four hundred twenty-two million, nine hundred fifty-six thousand, seven hundred sixty-four".