422038000 has 80 divisors (see below), whose sum is σ = 1032389280. Its totient is φ = 166848000.

The previous prime is 422037983. The next prime is 422038003. The reversal of 422038000 is 830224.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422038003) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 176815 + ... + 179185.

It is an arithmetic number, because the mean of its divisors is an integer number (12904866).

Almost surely, 2^422038000 is an apocalyptic number.

422038000 is a gapful number since it is divisible by the number (40) 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 422038000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516194640).

422038000 is an abundant number, since it is smaller than the sum of its proper divisors (610351280).

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

422038000 is a wasteful number, since it uses less digits than its factorization.

422038000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2483 (or 2467 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 422038000 is about 20543.5634688824. The cubic root of 422038000 is about 750.0965801551.

Adding to 422038000 its reverse (830224), we get a palindrome (422868224).

The spelling of 422038000 in words is "four hundred twenty-two million, thirty-eight thousand".