422388270 has 80 divisors (see below), whose sum is σ = 1157302080. Its totient is φ = 110500416.

The previous prime is 422388233. The next prime is 422388289. The reversal of 422388270 is 72883224.

422388270 is a `hidden beast` number, since 4 + 2 + 2 + 388 + 270 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 38011 + ... + 47849.

It is an arithmetic number, because the mean of its divisors is an integer number (14466276).

Almost surely, 2^422388270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422388270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (578651040).

422388270 is an abundant number, since it is smaller than the sum of its proper divisors (734913810).

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

422388270 is a wasteful number, since it uses less digits than its factorization.

422388270 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9911 (or 9902 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 422388270 is about 20552.0867553638. The cubic root of 422388270 is about 750.3040367322.

The spelling of 422388270 in words is "four hundred twenty-two million, three hundred eighty-eight thousand, two hundred seventy".