6422887 has 4 divisors (see below), whose sum is σ = 6434176. Its totient is φ = 6411600.

The previous prime is 6422849. The next prime is 6422903. The reversal of 6422887 is 7882246.

6422887 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6422887 - 2¹⁵ = 6390119 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6³ + 4¹¹ + 2⁷ + 2¹⁷ + 8 + 8⁷ + 7 .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6422837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4743 + ... + 5944.

It is an arithmetic number, because the mean of its divisors is an integer number (1608544).

Almost surely, 2^6422887 is an apocalyptic number.

6422887 is a deficient number, since it is larger than the sum of its proper divisors (11289).

6422887 is a wasteful number, since it uses less digits than its factorization.

6422887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11288.

The product of its digits is 43008, while the sum is 37.

The square root of 6422887 is about 2534.3415318382. The cubic root of 6422887 is about 185.8846068085.

The spelling of 6422887 in words is "six million, four hundred twenty-two thousand, eight hundred eighty-seven".