225443566 has 16 divisors (see below), whose sum is σ = 340970400. Its totient is φ = 111790368.

The previous prime is 225443557. The next prime is 225443597. The reversal of 225443566 is 665344522.

225443566 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 244855 + ... + 245773.

It is an arithmetic number, because the mean of its divisors is an integer number (21310650).

Almost surely, 2^225443566 is an apocalyptic number.

225443566 is a deficient number, since it is larger than the sum of its proper divisors (115526834).

225443566 is a wasteful number, since it uses less digits than its factorization.

225443566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1803.

The product of its digits is 172800, while the sum is 37.

The square root of 225443566 is about 15014.7782534408. The cubic root of 225443566 is about 608.6196198674.

The spelling of 225443566 in words is "two hundred twenty-five million, four hundred forty-three thousand, five hundred sixty-six".