6515222 has 8 divisors (see below), whose sum is σ = 11168976. Its totient is φ = 2792232.

The previous prime is 6515203. The next prime is 6515261. The reversal of 6515222 is 2225156.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 232673 + ... + 232700.

It is an arithmetic number, because the mean of its divisors is an integer number (1396122).

Almost surely, 2^6515222 is an apocalyptic number.

6515222 is a deficient number, since it is larger than the sum of its proper divisors (4653754).

6515222 is a wasteful number, since it uses less digits than its factorization.

6515222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465382.

The product of its digits is 1200, while the sum is 23.

The square root of 6515222 is about 2552.4932908825. The cubic root of 6515222 is about 186.7711270480.

The spelling of 6515222 in words is "six million, five hundred fifteen thousand, two hundred twenty-two".