6422571 has 20 divisors (see below), whose sum is σ = 9858112. Its totient is φ = 4164048.

The previous prime is 6422569. The next prime is 6422579. The reversal of 6422571 is 1752246.

It is not a de Polignac number, because 6422571 - 2¹ = 6422569 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6422579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1926 + ... + 4068.

Almost surely, 2^6422571 is an apocalyptic number.

6422571 is a deficient number, since it is larger than the sum of its proper divisors (3435541).

6422571 is a wasteful number, since it uses less digits than its factorization.

6422571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2192 (or 2183 counting only the distinct ones).

The product of its digits is 3360, while the sum is 27.

The square root of 6422571 is about 2534.2791874614. The cubic root of 6422571 is about 185.8815583092.

The spelling of 6422571 in words is "six million, four hundred twenty-two thousand, five hundred seventy-one".