8198225 has 24 divisors (see below), whose sum is σ = 11784960. Its totient is φ = 5541120.

The previous prime is 8198221. The next prime is 8198249. The reversal of 8198225 is 5228918.

It is not a de Polignac number, because 8198225 - 2² = 8198221 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8198221) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 13529 + ... + 14121.

It is an arithmetic number, because the mean of its divisors is an integer number (491040).

Almost surely, 2^8198225 is an apocalyptic number.

It is an amenable number.

8198225 is a deficient number, since it is larger than the sum of its proper divisors (3586735).

8198225 is a wasteful number, since it uses less digits than its factorization.

8198225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 684 counting only the distinct ones).

The product of its digits is 11520, while the sum is 35.

The square root of 8198225 is about 2863.2542674377. The cubic root of 8198225 is about 201.6384163085.

The spelling of 8198225 in words is "eight million, one hundred ninety-eight thousand, two hundred twenty-five".