6422855 has 32 divisors (see below), whose sum is σ = 8890560. Its totient is φ = 4423680.

The previous prime is 6422849. The next prime is 6422903. The reversal of 6422855 is 5582246.

It is not a de Polignac number, because 6422855 - 2⁸ = 6422599 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 66167 + ... + 66263.

It is an arithmetic number, because the mean of its divisors is an integer number (277830).

Almost surely, 2^6422855 is an apocalyptic number.

6422855 is a deficient number, since it is larger than the sum of its proper divisors (2467705).

6422855 is a wasteful number, since it uses less digits than its factorization.

6422855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179.

The product of its digits is 19200, while the sum is 32.

The square root of 6422855 is about 2534.3352185534. The cubic root of 6422855 is about 185.8842981042.

The spelling of 6422855 in words is "six million, four hundred twenty-two thousand, eight hundred fifty-five".