225169332 has 12 divisors (see below), whose sum is σ = 525395136. Its totient is φ = 75056440.

The previous prime is 225169331. The next prime is 225169363. The reversal of 225169332 is 233961522.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 225169293 and 225169302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225169331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9382044 + ... + 9382067.

It is an arithmetic number, because the mean of its divisors is an integer number (43782928).

Almost surely, 2^225169332 is an apocalyptic number.

It is an amenable number.

225169332 is an abundant number, since it is smaller than the sum of its proper divisors (300225804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

225169332 is a wasteful number, since it uses less digits than its factorization.

225169332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18764118 (or 18764116 counting only the distinct ones).

The product of its digits is 19440, while the sum is 33.

The square root of 225169332 is about 15005.6433384244. The cubic root of 225169332 is about 608.3727407678.

The spelling of 225169332 in words is "two hundred twenty-five million, one hundred sixty-nine thousand, three hundred thirty-two".