225584180 has 12 divisors (see below), whose sum is σ = 473726820. Its totient is φ = 90233664.

The previous prime is 225584171. The next prime is 225584197. The reversal of 225584180 is 81485522.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 70930084 + 154654096 = 8422^2 + 12436^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 225584180.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5639585 + ... + 5639624.

It is an arithmetic number, because the mean of its divisors is an integer number (39477235).

Almost surely, 2^225584180 is an apocalyptic number.

225584180 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225584180 is an abundant number, since it is smaller than the sum of its proper divisors (248142640).

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

225584180 is a wasteful number, since it uses less digits than its factorization.

225584180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11279218 (or 11279216 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 35.

The square root of 225584180 is about 15019.4600435568. The cubic root of 225584180 is about 608.7461299502.

The spelling of 225584180 in words is "two hundred twenty-five million, five hundred eighty-four thousand, one hundred eighty".