6422428 has 12 divisors (see below), whose sum is σ = 11728080. Its totient is φ = 3071552.

The previous prime is 6422417. The next prime is 6422431. The reversal of 6422428 is 8242246.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 6422396 and 6422405.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34813 + ... + 34996.

It is an arithmetic number, because the mean of its divisors is an integer number (977340).

Almost surely, 2^6422428 is an apocalyptic number.

It is an amenable number.

6422428 is a deficient number, since it is larger than the sum of its proper divisors (5305652).

6422428 is a wasteful number, since it uses less digits than its factorization.

6422428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69836 (or 69834 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 6422428 is about 2534.2509741539. The cubic root of 6422428 is about 185.8801787339.

The spelling of 6422428 in words is "six million, four hundred twenty-two thousand, four hundred twenty-eight".