422130324 has 96 divisors (see below), whose sum is σ = 1231921152. Its totient is φ = 109296000.

The previous prime is 422130271. The next prime is 422130329. The reversal of 422130324 is 423031224.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 422130324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422130329) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425469 + ... + 426459.

It is an arithmetic number, because the mean of its divisors is an integer number (12832512).

Almost surely, 2^422130324 is an apocalyptic number.

422130324 is a gapful number since it is divisible by the number (44) 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 422130324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (615960576).

422130324 is an abundant number, since it is smaller than the sum of its proper divisors (809790828).

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

422130324 is a wasteful number, since it uses less digits than its factorization.

422130324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477 (or 1475 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 422130324 is about 20545.8103758406. The cubic root of 422130324 is about 750.1512725979.

Adding to 422130324 its reverse (423031224), we get a palindrome (845161548).

The spelling of 422130324 in words is "four hundred twenty-two million, one hundred thirty thousand, three hundred twenty-four".