225918848 has 64 divisors (see below), whose sum is σ = 486907200. Its totient is φ = 104052736.

The previous prime is 225918839. The next prime is 225918851. The reversal of 225918848 is 848819522.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4806761 + ... + 4806807.

It is an arithmetic number, because the mean of its divisors is an integer number (7607925).

Almost surely, 2^225918848 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 225918848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (243453600).

225918848 is an abundant number, since it is smaller than the sum of its proper divisors (260988352).

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

225918848 is an frugal number, since it uses more digits than its factorization.

225918848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172 (or 66 counting only the distinct ones).

The product of its digits is 368640, while the sum is 47.

The square root of 225918848 is about 15030.5970606626. The cubic root of 225918848 is about 609.0470186402.

The spelling of 225918848 in words is "two hundred twenty-five million, nine hundred eighteen thousand, eight hundred forty-eight".