6422430 has 96 divisors (see below), whose sum is σ = 19058976. Its totient is φ = 1376256.

The previous prime is 6422417. The next prime is 6422431. The reversal of 6422430 is 342246.

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

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6422397 and 6422406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6422431) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24862 + ... + 25118.

It is an arithmetic number, because the mean of its divisors is an integer number (198531).

Almost surely, 2^6422430 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6422430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9529488).

6422430 is an abundant number, since it is smaller than the sum of its proper divisors (12636546).

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

6422430 is a wasteful number, since it uses less digits than its factorization.

6422430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 298 (or 291 counting only the distinct ones).

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

The square root of 6422430 is about 2534.2513687478. The cubic root of 6422430 is about 185.8801980288.

Adding to 6422430 its reverse (342246), we get a palindrome (6764676).

The spelling of 6422430 in words is "six million, four hundred twenty-two thousand, four hundred thirty".