225830445 has 32 divisors (see below), whose sum is σ = 380830464. Its totient is φ = 114048000.

The previous prime is 225830393. The next prime is 225830461. The reversal of 225830445 is 544038522.

It is not a de Polignac number, because 225830445 - 2⁷ = 225830317 is a prime.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 31605 + ... + 38085.

It is an arithmetic number, because the mean of its divisors is an integer number (11900952).

Almost surely, 2^225830445 is an apocalyptic number.

It is an amenable number.

225830445 is a deficient number, since it is larger than the sum of its proper divisors (155000019).

225830445 is a wasteful number, since it uses less digits than its factorization.

225830445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6613.

The product of its (nonzero) digits is 38400, while the sum is 33.

The square root of 225830445 is about 15027.6560048465. The cubic root of 225830445 is about 608.9675673853.

Adding to 225830445 its reverse (544038522), we get a palindrome (769868967).

The spelling of 225830445 in words is "two hundred twenty-five million, eight hundred thirty thousand, four hundred forty-five".