225405326 has 16 divisors (see below), whose sum is σ = 346330944. Its totient is φ = 109976064.

The previous prime is 225405317. The next prime is 225405337. The reversal of 225405326 is 623504522.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 29786 + ... + 36578.

It is an arithmetic number, because the mean of its divisors is an integer number (21645684).

Almost surely, 2^225405326 is an apocalyptic number.

225405326 is a deficient number, since it is larger than the sum of its proper divisors (120925618).

225405326 is a wasteful number, since it uses less digits than its factorization.

225405326 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7195.

The product of its (nonzero) digits is 14400, while the sum is 29.

The square root of 225405326 is about 15013.5047873573. The cubic root of 225405326 is about 608.5852063322.

Adding to 225405326 its reverse (623504522), we get a palindrome (848909848).

The spelling of 225405326 in words is "two hundred twenty-five million, four hundred five thousand, three hundred twenty-six".