225319655 has 8 divisors (see below), whose sum is σ = 294963984. Its totient is φ = 163868800.

The previous prime is 225319583. The next prime is 225319657. The reversal of 225319655 is 556913522.

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

It is not a de Polignac number, because 225319655 - 2⁸ = 225319399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (225319657) 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 7 ways as a sum of consecutive naturals, for example, 2048306 + ... + 2048415.

It is an arithmetic number, because the mean of its divisors is an integer number (36870498).

Almost surely, 2^225319655 is an apocalyptic number.

225319655 is a deficient number, since it is larger than the sum of its proper divisors (69644329).

225319655 is a wasteful number, since it uses less digits than its factorization.

225319655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4096737.

The product of its digits is 81000, while the sum is 38.

The square root of 225319655 is about 15010.6513849333. The cubic root of 225319655 is about 608.5080938241.

The spelling of 225319655 in words is "two hundred twenty-five million, three hundred nineteen thousand, six hundred fifty-five".