225520048 has 40 divisors (see below), whose sum is σ = 475000848. Its totient is φ = 103103232.

The previous prime is 225520039. The next prime is 225520073. The reversal of 225520048 is 840025522.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 225519998 and 225520025.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17190 + ... + 27322.

Almost surely, 2^225520048 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 225520048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237500424).

225520048 is an abundant number, since it is smaller than the sum of its proper divisors (249480800).

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

225520048 is a wasteful number, since it uses less digits than its factorization.

225520048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10261 (or 10255 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 225520048 is about 15017.3249282287. The cubic root of 225520048 is about 608.6884370644.

The spelling of 225520048 in words is "two hundred twenty-five million, five hundred twenty thousand, forty-eight".