6222871 has 4 divisors (see below), whose sum is σ = 6228432. Its totient is φ = 6217312.

The previous prime is 6222869. The next prime is 6222877. The reversal of 6222871 is 1782226.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6222871 - 2¹ = 6222869 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6222877) 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, 451 + ... + 3556.

It is an arithmetic number, because the mean of its divisors is an integer number (1557108).

Almost surely, 2^6222871 is an apocalyptic number.

6222871 is a deficient number, since it is larger than the sum of its proper divisors (5561).

6222871 is a wasteful number, since it uses less digits than its factorization.

6222871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5560.

The product of its digits is 2688, while the sum is 28.

The square root of 6222871 is about 2494.5682993256. The cubic root of 6222871 is about 183.9346708057.

The spelling of 6222871 in words is "six million, two hundred twenty-two thousand, eight hundred seventy-one".