225773048565 has 24 divisors (see below), whose sum is σ = 391493676600. Its totient is φ = 120364992384.

The previous prime is 225773048509. The next prime is 225773048621. The reversal of 225773048565 is 565840377522.

225773048565 is a `hidden beast` number, since 2 + 2 + 5 + 7 + 7 + 30 + 48 + 565 = 666.

It is an interprime number because it is at equal distance from previous prime (225773048509) and next prime (225773048621).

It can be written as a sum of positive squares in 4 ways, for example, as 42241347729 + 183531700836 = 205527^2 + 428406^2 .

It is not a de Polignac number, because 225773048565 - 2¹⁰ = 225773047541 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 869442 + ... + 1098851.

It is an arithmetic number, because the mean of its divisors is an integer number (16312236525).

Almost surely, 2^225773048565 is an apocalyptic number.

It is an amenable number.

225773048565 is a deficient number, since it is larger than the sum of its proper divisors (165720628035).

225773048565 is a wasteful number, since it uses less digits than its factorization.

225773048565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970853 (or 1970850 counting only the distinct ones).

The product of its (nonzero) digits is 14112000, while the sum is 54.

The spelling of 225773048565 in words is "two hundred twenty-five billion, seven hundred seventy-three million, forty-eight thousand, five hundred sixty-five".