225607774345 has 4 divisors (see below), whose sum is σ = 270729329220. Its totient is φ = 180486219472.

The previous prime is 225607774339. The next prime is 225607774349. The reversal of 225607774345 is 543477706522.

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 140406834681 + 85200939664 = 374709^2 + 291892^2 .

It is a cyclic number.

It is not a de Polignac number, because 225607774345 - 2²⁹ = 225070903433 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225607774292 and 225607774301.

It is not an unprimeable number, because it can be changed into a prime (225607774349) 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, 22560777430 + ... + 22560777439.

It is an arithmetic number, because the mean of its divisors is an integer number (67682332305).

Almost surely, 2^225607774345 is an apocalyptic number.

It is an amenable number.

225607774345 is a deficient number, since it is larger than the sum of its proper divisors (45121554875).

225607774345 is an equidigital number, since it uses as much as digits as its factorization.

225607774345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45121554874.

The product of its (nonzero) digits is 9878400, while the sum is 52.

The spelling of 225607774345 in words is "two hundred twenty-five billion, six hundred seven million, seven hundred seventy-four thousand, three hundred forty-five".