225604302347 has 4 divisors (see below), whose sum is σ = 225999406776. Its totient is φ = 225209197920.

The previous prime is 225604302323. The next prime is 225604302359. The reversal of 225604302347 is 743203406522.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 225604302347 - 2¹⁰ = 225604301323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 225604302347.

It is not an unprimeable number, because it can be changed into a prime (225604302397) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197551358 + ... + 197552499.

It is an arithmetic number, because the mean of its divisors is an integer number (56499851694).

Almost surely, 2^225604302347 is an apocalyptic number.

225604302347 is a deficient number, since it is larger than the sum of its proper divisors (395104429).

225604302347 is an equidigital number, since it uses as much as digits as its factorization.

225604302347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395104428.

The product of its (nonzero) digits is 241920, while the sum is 38.

Adding to 225604302347 its reverse (743203406522), we get a palindrome (968807708869).

The spelling of 225604302347 in words is "two hundred twenty-five billion, six hundred four million, three hundred two thousand, three hundred forty-seven".