225304092 has 120 divisors (see below), whose sum is σ = 640332000. Its totient is φ = 68667264.

The previous prime is 225304091. The next prime is 225304099. The reversal of 225304092 is 290403522.

225304092 is a `hidden beast` number, since 2 + 2 + 530 + 40 + 92 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225304091) 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 39 ways as a sum of consecutive naturals, for example, 627409 + ... + 627767.

It is an arithmetic number, because the mean of its divisors is an integer number (5336100).

Almost surely, 2^225304092 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225304092, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (320166000).

225304092 is an abundant number, since it is smaller than the sum of its proper divisors (415027908).

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

225304092 is a wasteful number, since it uses less digits than its factorization.

225304092 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 537 (or 526 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 225304092 is about 15010.1329774256. The cubic root of 225304092 is about 608.4940834625.

The spelling of 225304092 in words is "two hundred twenty-five million, three hundred four thousand, ninety-two".