225545044 has 12 divisors (see below), whose sum is σ = 405371764. Its totient is φ = 109724544.

The previous prime is 225545009. The next prime is 225545063. The reversal of 225545044 is 440545522.

225545044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 205635600 + 19909444 = 14340^2 + 4462^2 .

It is a junction number, because it is equal to n+sod(n) for n = 225544997 and 225545015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 761829 + ... + 762124.

Almost surely, 2^225545044 is an apocalyptic number.

It is an amenable number.

225545044 is a deficient number, since it is larger than the sum of its proper divisors (179826720).

225545044 is a wasteful number, since it uses less digits than its factorization.

225545044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1523994 (or 1523992 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 31.

The square root of 225545044 is about 15018.1571439375. The cubic root of 225545044 is about 608.7109246647.

The spelling of 225545044 in words is "two hundred twenty-five million, five hundred forty-five thousand, forty-four".