6550222 has 24 divisors (see below), whose sum is σ = 11573280. Its totient is φ = 2772000.

The previous prime is 6550213. The next prime is 6550223. The reversal of 6550222 is 2220556.

It is a junction number, because it is equal to n+sod(n) for n = 6550193 and 6550202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6550223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8347 + ... + 9097.

It is an arithmetic number, because the mean of its divisors is an integer number (482220).

Almost surely, 2^6550222 is an apocalyptic number.

6550222 is a deficient number, since it is larger than the sum of its proper divisors (5023058).

6550222 is a wasteful number, since it uses less digits than its factorization.

6550222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 856 (or 849 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 6550222 is about 2559.3401493354. The cubic root of 6550222 is about 187.1049769466.

Adding to 6550222 its reverse (2220556), we get a palindrome (8770778).

The spelling of 6550222 in words is "six million, five hundred fifty thousand, two hundred twenty-two".