225591548 has 48 divisors (see below), whose sum is σ = 487334400. Its totient is φ = 88979904.

The previous prime is 225591517. The next prime is 225591559. The reversal of 225591548 is 845195522.

225591548 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 160553 + ... + 161951.

It is an arithmetic number, because the mean of its divisors is an integer number (10152800).

Almost surely, 2^225591548 is an apocalyptic number.

225591548 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 225591548, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243667200).

225591548 is an abundant number, since it is smaller than the sum of its proper divisors (261742852).

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

225591548 is a wasteful number, since it uses less digits than its factorization.

225591548 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1866 (or 1864 counting only the distinct ones).

The product of its digits is 144000, while the sum is 41.

The square root of 225591548 is about 15019.7053233411. The cubic root of 225591548 is about 608.7527574727.

The spelling of 225591548 in words is "two hundred twenty-five million, five hundred ninety-one thousand, five hundred forty-eight".