225323405 has 32 divisors (see below), whose sum is σ = 286156800. Its totient is φ = 170157312.

The previous prime is 225323401. The next prime is 225323411. The reversal of 225323405 is 504323522.

It is a cyclic number.

It is not a de Polignac number, because 225323405 - 2² = 225323401 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225323401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 983831 + ... + 984059.

It is an arithmetic number, because the mean of its divisors is an integer number (8942400).

Almost surely, 2^225323405 is an apocalyptic number.

It is an amenable number.

225323405 is a deficient number, since it is larger than the sum of its proper divisors (60833395).

225323405 is a wasteful number, since it uses less digits than its factorization.

225323405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 225323405 is about 15010.7762957150. The cubic root of 225323405 is about 608.5114696100.

Adding to 225323405 its reverse (504323522), we get a palindrome (729646927).

The spelling of 225323405 in words is "two hundred twenty-five million, three hundred twenty-three thousand, four hundred five".