225441249 has 8 divisors (see below), whose sum is σ = 327914592. Its totient is φ = 136631040.

The previous prime is 225441241. The next prime is 225441253. The reversal of 225441249 is 942144522.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 225441249 - 2³ = 225441241 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 6831553 = 225441249 / (2 + 2 + 5 + 4 + 4 + 1 + 2 + 4 + 9).

It is not an unprimeable number, because it can be changed into a prime (225441241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3415744 + ... + 3415809.

It is an arithmetic number, because the mean of its divisors is an integer number (40989324).

Almost surely, 2^225441249 is an apocalyptic number.

It is an amenable number.

225441249 is a deficient number, since it is larger than the sum of its proper divisors (102473343).

225441249 is a wasteful number, since it uses less digits than its factorization.

225441249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6831567.

The product of its digits is 23040, while the sum is 33.

The square root of 225441249 is about 15014.7010959260. The cubic root of 225441249 is about 608.6175348275.

The spelling of 225441249 in words is "two hundred twenty-five million, four hundred forty-one thousand, two hundred forty-nine".