225736725 has 24 divisors (see below), whose sum is σ = 386091360. Its totient is φ = 116240320.

The previous prime is 225736673. The next prime is 225736729. The reversal of 225736725 is 527637522.

225736725 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 225736725 - 2⁹ = 225736213 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225736729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 49719 + ... + 54068.

It is an arithmetic number, because the mean of its divisors is an integer number (16087140).

Almost surely, 2^225736725 is an apocalyptic number.

225736725 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225736725 is a deficient number, since it is larger than the sum of its proper divisors (160354635).

225736725 is a wasteful number, since it uses less digits than its factorization.

225736725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103829 (or 103824 counting only the distinct ones).

The product of its digits is 176400, while the sum is 39.

The square root of 225736725 is about 15024.5374304835. The cubic root of 225736725 is about 608.8833148874.

The spelling of 225736725 in words is "two hundred twenty-five million, seven hundred thirty-six thousand, seven hundred twenty-five".