225531153 has 12 divisors (see below), whose sum is σ = 326755728. Its totient is φ = 149897880.

The previous prime is 225531149. The next prime is 225531191. The reversal of 225531153 is 351135522.

It is a happy number.

It is not a de Polignac number, because 225531153 - 2² = 225531149 is a prime.

It is a super-3 number, since 3×225531153³ (a number of 26 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (225531143) 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, 34875 + ... + 40832.

It is an arithmetic number, because the mean of its divisors is an integer number (27229644).

Almost surely, 2^225531153 is an apocalyptic number.

It is an amenable number.

225531153 is a deficient number, since it is larger than the sum of its proper divisors (101224575).

225531153 is a wasteful number, since it uses less digits than its factorization.

225531153 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76044 (or 76041 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 225531153 is about 15017.6946632964. The cubic root of 225531153 is about 608.6984278601.

Adding to 225531153 its reverse (351135522), we get a palindrome (576666675).

The spelling of 225531153 in words is "two hundred twenty-five million, five hundred thirty-one thousand, one hundred fifty-three".