225237369 has 48 divisors (see below), whose sum is σ = 372610368. Its totient is φ = 120250368.

The previous prime is 225237361. The next prime is 225237379. The reversal of 225237369 is 963732522.

It is not a de Polignac number, because 225237369 - 2³ = 225237361 is a prime.

It is a super-3 number, since 3×225237369³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (225237361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 482074 + ... + 482540.

It is an arithmetic number, because the mean of its divisors is an integer number (7762716).

Almost surely, 2^225237369 is an apocalyptic number.

It is an amenable number.

225237369 is a deficient number, since it is larger than the sum of its proper divisors (147372999).

225237369 is a wasteful number, since it uses less digits than its factorization.

225237369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694 (or 687 counting only the distinct ones).

The product of its digits is 136080, while the sum is 39.

The square root of 225237369 is about 15007.9102142837. The cubic root of 225237369 is about 608.4340097507.

It can be divided in two parts, 22523 and 7369, that added together give a palindrome (29892).

The spelling of 225237369 in words is "two hundred twenty-five million, two hundred thirty-seven thousand, three hundred sixty-nine".