225710425 has 12 divisors (see below), whose sum is σ = 280136956. Its totient is φ = 180403200.

The previous prime is 225710423. The next prime is 225710437. The reversal of 225710425 is 524017522.

It can be written as a sum of positive squares in 6 ways, for example, as 30074256 + 195636169 = 5484^2 + 13987^2 .

It is not a de Polignac number, because 225710425 - 2¹ = 225710423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 225710393 and 225710402.

It is not an unprimeable number, because it can be changed into a prime (225710423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28945 + ... + 35905.

Almost surely, 2^225710425 is an apocalyptic number.

225710425 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

225710425 is a deficient number, since it is larger than the sum of its proper divisors (54426531).

225710425 is a wasteful number, since it uses less digits than its factorization.

225710425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8268 (or 8263 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 28.

The square root of 225710425 is about 15023.6621700569. The cubic root of 225710425 is about 608.8596674974.

Adding to 225710425 its reverse (524017522), we get a palindrome (749727947).

The spelling of 225710425 in words is "two hundred twenty-five million, seven hundred ten thousand, four hundred twenty-five".