225742848 has 52 divisors (see below), whose sum is σ = 601940208. Its totient is φ = 75243520.

The previous prime is 225742841. The next prime is 225742849. The reversal of 225742848 is 848247522.

It is a super-2 number, since 2×225742848² = 101919666846302208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (225742841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3103 + ... + 21473.

Almost surely, 2^225742848 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 225742848, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (300970104).

225742848 is an abundant number, since it is smaller than the sum of its proper divisors (376197360).

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

225742848 is an equidigital number, since it uses as much as digits as its factorization.

225742848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18398 (or 18376 counting only the distinct ones).

The product of its digits is 286720, while the sum is 42.

The square root of 225742848 is about 15024.7411957744. The cubic root of 225742848 is about 608.8888200599. Note that the first 4 decimals are identical.

The spelling of 225742848 in words is "two hundred twenty-five million, seven hundred forty-two thousand, eight hundred forty-eight".