422381936 has 80 divisors (see below), whose sum is σ = 892038144. Its totient is φ = 193197312.

The previous prime is 422381929. The next prime is 422381969. The reversal of 422381936 is 639183224.

It is a self number, because there is not a number n which added to its sum of digits gives 422381936.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 912041 + ... + 912503.

Almost surely, 2^422381936 is an apocalyptic number.

422381936 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 422381936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446019072).

422381936 is an abundant number, since it is smaller than the sum of its proper divisors (469656208).

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

422381936 is a wasteful number, since it uses less digits than its factorization.

422381936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598 (or 592 counting only the distinct ones).

The product of its digits is 62208, while the sum is 38.

The square root of 422381936 is about 20551.9326585117. The cubic root of 422381936 is about 750.3002862733.

The spelling of 422381936 in words is "four hundred twenty-two million, three hundred eighty-one thousand, nine hundred thirty-six".