225061872 has 80 divisors (see below), whose sum is σ = 675790080. Its totient is φ = 63207936.

The previous prime is 225061867. The next prime is 225061873. The reversal of 225061872 is 278160522.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225061873) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14148 + ... + 25500.

It is an arithmetic number, because the mean of its divisors is an integer number (8447376).

Almost surely, 2^225061872 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 225061872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (337895040).

225061872 is an abundant number, since it is smaller than the sum of its proper divisors (450728208).

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

225061872 is a wasteful number, since it uses less digits than its factorization.

225061872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11430 (or 11424 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 225061872 is about 15002.0622582364. The cubic root of 225061872 is about 608.2759452630.

The spelling of 225061872 in words is "two hundred twenty-five million, sixty-one thousand, eight hundred seventy-two".