422750052 has 72 divisors (see below), whose sum is σ = 1109908800. Its totient is φ = 135511488.

The previous prime is 422750039. The next prime is 422750087. The reversal of 422750052 is 250057224.

It is a junction number, because it is equal to n+sod(n) for n = 422749998 and 422750025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 319849 + ... + 321167.

It is an arithmetic number, because the mean of its divisors is an integer number (15415400).

Almost surely, 2^422750052 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 422750052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (554954400).

422750052 is an abundant number, since it is smaller than the sum of its proper divisors (687158748).

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

422750052 is a wasteful number, since it uses less digits than its factorization.

422750052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1665 (or 1660 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 422750052 is about 20560.8864594890. The cubic root of 422750052 is about 750.5181912214.

The spelling of 422750052 in words is "four hundred twenty-two million, seven hundred fifty thousand, fifty-two".