422381934 has 96 divisors (see below), whose sum is σ = 1013935104. Its totient is φ = 126282240.

The previous prime is 422381929. The next prime is 422381969. The reversal of 422381934 is 439183224.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1812682 + ... + 1812914.

It is an arithmetic number, because the mean of its divisors is an integer number (10561824).

Almost surely, 2^422381934 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422381934, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (506967552).

422381934 is an abundant number, since it is smaller than the sum of its proper divisors (591553170).

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

422381934 is a wasteful number, since it uses less digits than its factorization.

422381934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 439 counting only the distinct ones).

The product of its digits is 41472, while the sum is 36.

The square root of 422381934 is about 20551.9326098545. The cubic root of 422381934 is about 750.3002850891.

The spelling of 422381934 in words is "four hundred twenty-two million, three hundred eighty-one thousand, nine hundred thirty-four".