422330000 has 100 divisors (see below), whose sum is σ = 1032841260. Its totient is φ = 167232000.

The previous prime is 422329993. The next prime is 422330003. The reversal of 422330000 is 33224.

It can be written as a sum of positive squares in 10 ways, for example, as 415018384 + 7311616 = 20372^2 + 2704^2 .

It is a tau number, because it is divible by the number of its divisors (100).

It is not an unprimeable number, because it can be changed into a prime (422330003) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 1569866 + ... + 1570134.

Almost surely, 2^422330000 is an apocalyptic number.

422330000 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 422330000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (516420630).

422330000 is an abundant number, since it is smaller than the sum of its proper divisors (610511260).

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

422330000 is a wasteful number, since it uses less digits than its factorization.

422330000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 454 (or 433 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 14.

The square root of 422330000 is about 20550.6690888642. The cubic root of 422330000 is about 750.2695327542.

Adding to 422330000 its reverse (33224), we get a palindrome (422363224).

The spelling of 422330000 in words is "four hundred twenty-two million, three hundred thirty thousand".