6517222 has 16 divisors (see below), whose sum is σ = 10456992. Its totient is φ = 3035520.

The previous prime is 6517213. The next prime is 6517249. The reversal of 6517222 is 2227156.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2572 + ... + 4432.

It is an arithmetic number, because the mean of its divisors is an integer number (653562).

Almost surely, 2^6517222 is an apocalyptic number.

6517222 is a deficient number, since it is larger than the sum of its proper divisors (3939770).

6517222 is a wasteful number, since it uses less digits than its factorization.

6517222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1983.

The product of its digits is 1680, while the sum is 25.

The square root of 6517222 is about 2552.8850346226. The cubic root of 6517222 is about 186.7902363502.

The spelling of 6517222 in words is "six million, five hundred seventeen thousand, two hundred twenty-two".