225604466365 has 4 divisors (see below), whose sum is σ = 270725359644. Its totient is φ = 180483573088.

The previous prime is 225604466357. The next prime is 225604466431. The reversal of 225604466365 is 563664406522.

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

It can be written as a sum of positive squares in 2 ways, for example, as 46529078436 + 179075387929 = 215706^2 + 423173^2 .

It is a cyclic number.

It is not a de Polignac number, because 225604466365 - 2³ = 225604466357 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22560446632 + ... + 22560446641.

It is an arithmetic number, because the mean of its divisors is an integer number (67681339911).

Almost surely, 2^225604466365 is an apocalyptic number.

It is an amenable number.

225604466365 is a deficient number, since it is larger than the sum of its proper divisors (45120893279).

225604466365 is an equidigital number, since it uses as much as digits as its factorization.

225604466365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45120893278.

The product of its (nonzero) digits is 6220800, while the sum is 49.

The spelling of 225604466365 in words is "two hundred twenty-five billion, six hundred four million, four hundred sixty-six thousand, three hundred sixty-five".