6520422 has 16 divisors (see below), whose sum is σ = 13088880. Its totient is φ = 2165472.

The previous prime is 6520421. The next prime is 6520441. The reversal of 6520422 is 2240256.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6520421) 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, 97 + ... + 3612.

It is an arithmetic number, because the mean of its divisors is an integer number (818055).

Almost surely, 2^6520422 is an apocalyptic number.

6520422 is an abundant number, since it is smaller than the sum of its proper divisors (6568458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6520422 is a wasteful number, since it uses less digits than its factorization.

6520422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4007.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 6520422 is about 2553.5116996012. The cubic root of 6520422 is about 186.8208031036.

Adding to 6520422 its reverse (2240256), we get a palindrome (8760678).

The spelling of 6520422 in words is "six million, five hundred twenty thousand, four hundred twenty-two".