225563548773 has 16 divisors (see below), whose sum is σ = 309272411840. Its totient is φ = 146125524096.

The previous prime is 225563548741. The next prime is 225563548817. The reversal of 225563548773 is 377845365522.

It is not a de Polignac number, because 225563548773 - 2⁵ = 225563548741 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 (225563548723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1203688 + ... + 1378401.

It is an arithmetic number, because the mean of its divisors is an integer number (19329525740).

Almost surely, 2^225563548773 is an apocalyptic number.

It is an amenable number.

225563548773 is a deficient number, since it is larger than the sum of its proper divisors (83708863067).

225563548773 is a wasteful number, since it uses less digits than its factorization.

225563548773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2582916.

The product of its digits is 42336000, while the sum is 57.

The spelling of 225563548773 in words is "two hundred twenty-five billion, five hundred sixty-three million, five hundred forty-eight thousand, seven hundred seventy-three".