225663446 has 8 divisors (see below), whose sum is σ = 349414464. Its totient is φ = 109191960.

The previous prime is 225663443. The next prime is 225663509. The reversal of 225663446 is 644366522.

225663446 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225663443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1819805 + ... + 1819928.

It is an arithmetic number, because the mean of its divisors is an integer number (43676808).

Almost surely, 2^225663446 is an apocalyptic number.

225663446 is a deficient number, since it is larger than the sum of its proper divisors (123751018).

225663446 is a wasteful number, since it uses less digits than its factorization.

225663446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3639766.

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

The square root of 225663446 is about 15022.0985884130. The cubic root of 225663446 is about 608.8174222133.

The spelling of 225663446 in words is "two hundred twenty-five million, six hundred sixty-three thousand, four hundred forty-six".