6422563 has 8 divisors (see below), whose sum is σ = 7464960. Its totient is φ = 5411400.

The previous prime is 6422561. The next prime is 6422567. The reversal of 6422563 is 3652246.

It is a happy number.

6422563 is nontrivially palindromic in base 2.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6422563 - 2¹ = 6422561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6422561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7363 + ... + 8188.

It is an arithmetic number, because the mean of its divisors is an integer number (933120).

Almost surely, 2^6422563 is an apocalyptic number.

6422563 is a deficient number, since it is larger than the sum of its proper divisors (1042397).

6422563 is a wasteful number, since it uses less digits than its factorization.

6422563 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15617.

The product of its digits is 8640, while the sum is 28.

The square root of 6422563 is about 2534.2776091028. The cubic root of 6422563 is about 185.8814811307.

The spelling of 6422563 in words is "six million, four hundred twenty-two thousand, five hundred sixty-three".