225210773 has 2 divisors, whose sum is σ = 225210774. Its totient is φ = 225210772.

The previous prime is 225210757. The next prime is 225210889. The reversal of 225210773 is 377012522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 213218404 + 11992369 = 14602^2 + 3463^2 .

It is a cyclic number.

It is not a de Polignac number, because 225210773 - 2⁴ = 225210757 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225216773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112605386 + 112605387.

It is an arithmetic number, because the mean of its divisors is an integer number (112605387).

Almost surely, 2^225210773 is an apocalyptic number.

It is an amenable number.

225210773 is a deficient number, since it is larger than the sum of its proper divisors (1).

225210773 is an equidigital number, since it uses as much as digits as its factorization.

225210773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5880, while the sum is 29.

The square root of 225210773 is about 15007.0241220570. The cubic root of 225210773 is about 608.4100608711.

The spelling of 225210773 in words is "two hundred twenty-five million, two hundred ten thousand, seven hundred seventy-three".