422025556752 has 160 divisors (see below), whose sum is σ = 1275666864000. Its totient is φ = 133214699520.

The previous prime is 422025556723. The next prime is 422025556793. The reversal of 422025556752 is 257655520224.

422025556752 is a `hidden beast` number, since 4 + 2 + 2 + 0 + 25 + 556 + 75 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 422025556698 and 422025556707.

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 31 ways as a sum of consecutive naturals, for example, 22061752 + ... + 22080872.

It is an arithmetic number, because the mean of its divisors is an integer number (7972917900).

Almost surely, 2^422025556752 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 422025556752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (637833432000).

422025556752 is an abundant number, since it is smaller than the sum of its proper divisors (853641307248).

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

422025556752 is a wasteful number, since it uses less digits than its factorization.

422025556752 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21846 (or 21834 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 45.

The spelling of 422025556752 in words is "four hundred twenty-two billion, twenty-five million, five hundred fifty-six thousand, seven hundred fifty-two".