225088905 has 16 divisors (see below), whose sum is σ = 362530944. Its totient is φ = 119251200.

The previous prime is 225088901. The next prime is 225088943. The reversal of 225088905 is 509880522.

225088905 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 225088905 - 2² = 225088901 is a prime.

It is not an unprimeable number, because it can be changed into a prime (225088901) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47424 + ... + 51953.

It is an arithmetic number, because the mean of its divisors is an integer number (22658184).

Almost surely, 2^225088905 is an apocalyptic number.

It is an amenable number.

225088905 is a deficient number, since it is larger than the sum of its proper divisors (137442039).

225088905 is a wasteful number, since it uses less digits than its factorization.

225088905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99536.

The product of its (nonzero) digits is 57600, while the sum is 39.

The square root of 225088905 is about 15002.9632073134. The cubic root of 225088905 is about 608.3002983666.

It can be divided in two parts, 22508 and 8905, that added together give a palindrome (31413).

The spelling of 225088905 in words is "two hundred twenty-five million, eighty-eight thousand, nine hundred five".