6211225 has 12 divisors (see below), whose sum is σ = 7834320. Its totient is φ = 4883600.

The previous prime is 6211223. The next prime is 6211237. The reversal of 6211225 is 5221126.

It is not a de Polignac number, because 6211225 - 2¹ = 6211223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6211223) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 631 + ... + 3580.

It is an arithmetic number, because the mean of its divisors is an integer number (652860).

Almost surely, 2^6211225 is an apocalyptic number.

It is an amenable number.

6211225 is a deficient number, since it is larger than the sum of its proper divisors (1623095).

6211225 is a wasteful number, since it uses less digits than its factorization.

6211225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4280 (or 4275 counting only the distinct ones).

The product of its digits is 240, while the sum is 19.

The square root of 6211225 is about 2492.2329345388. The cubic root of 6211225 is about 183.8198555878.

Subtracting from 6211225 its reverse (5221126), we obtain a palindrome (990099).

The spelling of 6211225 in words is "six million, two hundred eleven thousand, two hundred twenty-five".