225248049 has 24 divisors (see below), whose sum is σ = 351583232. Its totient is φ = 138140640.

The previous prime is 225248033. The next prime is 225248069. The reversal of 225248049 is 940842522.

It is not a de Polignac number, because 225248049 - 2⁴ = 225248033 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (225248029) 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 23 ways as a sum of consecutive naturals, for example, 32784 + ... + 39054.

Almost surely, 2^225248049 is an apocalyptic number.

It is an amenable number.

225248049 is a deficient number, since it is larger than the sum of its proper divisors (126335183).

225248049 is a wasteful number, since it uses less digits than its factorization.

225248049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6597 (or 6594 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 225248049 is about 15008.2660224291. The cubic root of 225248049 is about 608.4436262315.

The spelling of 225248049 in words is "two hundred twenty-five million, two hundred forty-eight thousand, forty-nine".