12422430 has 64 divisors (see below), whose sum is σ = 33465600. Its totient is φ = 3278880.

The previous prime is 12422407. The next prime is 12422437. The reversal of 12422430 is 3422421.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12422437) 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, 37365 + ... + 37695.

It is an arithmetic number, because the mean of its divisors is an integer number (522900).

Almost surely, 2^12422430 is an apocalyptic number.

12422430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 12422430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16732800).

12422430 is an abundant number, since it is smaller than the sum of its proper divisors (21043170).

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

12422430 is a wasteful number, since it uses less digits than its factorization.

12422430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 486 (or 480 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 12422430 is about 3524.5467793746. The cubic root of 12422430 is about 231.5983811533.

Adding to 12422430 its reverse (3422421), we get a palindrome (15844851).

Subtracting from 12422430 its reverse (3422421), we obtain a palindrome (9000009).

The spelling of 12422430 in words is "twelve million, four hundred twenty-two thousand, four hundred thirty".