6219225 has 36 divisors (see below), whose sum is σ = 11277552. Its totient is φ = 3276000.

The previous prime is 6219221. The next prime is 6219233. The reversal of 6219225 is 5229126.

It is not a de Polignac number, because 6219225 - 2² = 6219221 is a prime.

It is a Curzon number.

6219225 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6219221) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 29370 + ... + 29580.

Almost surely, 2^6219225 is an apocalyptic number.

It is an amenable number.

6219225 is a deficient number, since it is larger than the sum of its proper divisors (5058327).

6219225 is a wasteful number, since it uses less digits than its factorization.

6219225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358 (or 350 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 6219225 is about 2493.8374044833. The cubic root of 6219225 is about 183.8987411506.

Subtracting from 6219225 its reverse (5229126), we obtain a palindrome (990099).

The spelling of 6219225 in words is "six million, two hundred nineteen thousand, two hundred twenty-five".