225235776 has 56 divisors (see below), whose sum is σ = 604865440. Its totient is φ = 73953792.

The previous prime is 225235753. The next prime is 225235783. The reversal of 225235776 is 677532522.

It is a congruent number.

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, 4110 + ... + 21618.

Almost surely, 2^225235776 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 225235776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (302432720).

225235776 is an abundant number, since it is smaller than the sum of its proper divisors (379629664).

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

225235776 is a wasteful number, since it uses less digits than its factorization.

225235776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17591 (or 17581 counting only the distinct ones).

The product of its digits is 176400, while the sum is 39.

The square root of 225235776 is about 15007.8571421772. The cubic root of 225235776 is about 608.4325753563.

The spelling of 225235776 in words is "two hundred twenty-five million, two hundred thirty-five thousand, seven hundred seventy-six".