6565222 has 16 divisors (see below), whose sum is σ = 10430640. Its totient is φ = 3090528.

The previous prime is 6565193. The next prime is 6565231. The reversal of 6565222 is 2225656.

It is an Ulam number.

It is a d-powerful number, because it can be written as 6⁴ + 5⁸ + 6⁴ + 5⁹ + 2¹³ + 2¹⁴ + 2²² .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7048 + ... + 7924.

It is an arithmetic number, because the mean of its divisors is an integer number (651915).

Almost surely, 2^6565222 is an apocalyptic number.

6565222 is a deficient number, since it is larger than the sum of its proper divisors (3865418).

6565222 is a wasteful number, since it uses less digits than its factorization.

6565222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095.

The product of its digits is 7200, while the sum is 28.

The square root of 6565222 is about 2562.2689164098. The cubic root of 6565222 is about 187.2476914492.

The spelling of 6565222 in words is "six million, five hundred sixty-five thousand, two hundred twenty-two".