225646364 has 6 divisors (see below), whose sum is σ = 394881144. Its totient is φ = 112823180.

The previous prime is 225646363. The next prime is 225646391. The reversal of 225646364 is 463646522.

225646364 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 not an unprimeable number, because it can be changed into a prime (225646363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28205792 + ... + 28205799.

It is an arithmetic number, because the mean of its divisors is an integer number (65813524).

Almost surely, 2^225646364 is an apocalyptic number.

It is an amenable number.

225646364 is a deficient number, since it is larger than the sum of its proper divisors (169234780).

225646364 is a wasteful number, since it uses less digits than its factorization.

225646364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56411595 (or 56411593 counting only the distinct ones).

The product of its digits is 207360, while the sum is 38.

The square root of 225646364 is about 15021.5300152814. The cubic root of 225646364 is about 608.8020599828.

The spelling of 225646364 in words is "two hundred twenty-five million, six hundred forty-six thousand, three hundred sixty-four".