6600222 has 24 divisors (see below), whose sum is σ = 14499264. Its totient is φ = 2169504.

The previous prime is 6600211. The next prime is 6600227. The reversal of 6600222 is 2220066.

6600222 is a `hidden beast` number, since 660 + 0 + 2 + 2 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 6600195 and 6600204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6600227) 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, 1198 + ... + 3825.

It is an arithmetic number, because the mean of its divisors is an integer number (604136).

Almost surely, 2^6600222 is an apocalyptic number.

6600222 is an abundant number, since it is smaller than the sum of its proper divisors (7899042).

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

6600222 is a wasteful number, since it uses less digits than its factorization.

6600222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5104 (or 5101 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 6600222 is about 2569.0897220611. The cubic root of 6600222 is about 187.5798486575.

Adding to 6600222 its reverse (2220066), we get a palindrome (8820288).

The spelling of 6600222 in words is "six million, six hundred thousand, two hundred twenty-two".