225810773 has 2 divisors, whose sum is σ = 225810774. Its totient is φ = 225810772.

The previous prime is 225810709. The next prime is 225810787. The reversal of 225810773 is 377018522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 214534609 + 11276164 = 14647^2 + 3358^2 .

It is a cyclic number.

It is not a de Polignac number, because 225810773 - 2⁶ = 225810709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225810173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112905386 + 112905387.

It is an arithmetic number, because the mean of its divisors is an integer number (112905387).

Almost surely, 2^225810773 is an apocalyptic number.

It is an amenable number.

225810773 is a deficient number, since it is larger than the sum of its proper divisors (1).

225810773 is an equidigital number, since it uses as much as digits as its factorization.

225810773 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 225810773 is about 15027.0014640313. The cubic root of 225810773 is about 608.9498845645.

It can be divided in two parts, 2258 and 10773, that added together give a palindrome (13031).

The spelling of 225810773 in words is "two hundred twenty-five million, eight hundred ten thousand, seven hundred seventy-three".