803221225 has 12 divisors (see below), whose sum is σ = 1010024640. Its totient is φ = 633525200.

The previous prime is 803221193. The next prime is 803221229. The reversal of 803221225 is 522122308.

It is not a de Polignac number, because 803221225 - 2⁵ = 803221193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 803221225.

It is not an unprimeable number, because it can be changed into a prime (803221229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 224485 + ... + 228034.

It is an arithmetic number, because the mean of its divisors is an integer number (84168720).

Almost surely, 2^803221225 is an apocalyptic number.

It is an amenable number.

803221225 is a deficient number, since it is larger than the sum of its proper divisors (206803415).

803221225 is a wasteful number, since it uses less digits than its factorization.

803221225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 452600 (or 452595 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 803221225 is about 28341.1577921580. The cubic root of 803221225 is about 929.5620649778.

The spelling of 803221225 in words is "eight hundred three million, two hundred twenty-one thousand, two hundred twenty-five".