225909248 has 20 divisors (see below), whose sum is σ = 451378290. Its totient is φ = 112954368.

The previous prime is 225909241. The next prime is 225909263. The reversal of 225909248 is 842909522.

It can be written as a sum of positive squares in only one way, i.e., 224760064 + 1149184 = 14992^2 + 1072^2 .

It is not an unprimeable number, because it can be changed into a prime (225909241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 220103 + ... + 221126.

Almost surely, 2^225909248 is an apocalyptic number.

It is an amenable number.

225909248 is a deficient number, since it is larger than the sum of its proper divisors (225469042).

225909248 is an frugal number, since it uses more digits than its factorization.

225909248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 441247 (or 441231 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 225909248 is about 15030.2777086786. The cubic root of 225909248 is about 609.0383917457.

The spelling of 225909248 in words is "two hundred twenty-five million, nine hundred nine thousand, two hundred forty-eight".