225738548 has 12 divisors (see below), whose sum is σ = 451477152. Its totient is φ = 96745080.

The previous prime is 225738547. The next prime is 225738571. The reversal of 225738548 is 845837522.

225738548 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 225738499 and 225738508.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225738547) 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 3 ways as a sum of consecutive naturals, for example, 4031018 + ... + 4031073.

It is an arithmetic number, because the mean of its divisors is an integer number (37623096).

Almost surely, 2^225738548 is an apocalyptic number.

225738548 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

225738548 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

225738548 is a wasteful number, since it uses less digits than its factorization.

225738548 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8062102 (or 8062100 counting only the distinct ones).

The product of its digits is 537600, while the sum is 44.

The square root of 225738548 is about 15024.5980977862. The cubic root of 225738548 is about 608.8849539521.

The spelling of 225738548 in words is "two hundred twenty-five million, seven hundred thirty-eight thousand, five hundred forty-eight".