225356773 has 2 divisors, whose sum is σ = 225356774. Its totient is φ = 225356772.

The previous prime is 225356731. The next prime is 225356809. The reversal of 225356773 is 377653522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208571364 + 16785409 = 14442^2 + 4097^2 .

It is a cyclic number.

It is not a de Polignac number, because 225356773 - 2¹³ = 225348581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225356723) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112678386 + 112678387.

It is an arithmetic number, because the mean of its divisors is an integer number (112678387).

Almost surely, 2^225356773 is an apocalyptic number.

It is an amenable number.

225356773 is a deficient number, since it is larger than the sum of its proper divisors (1).

225356773 is an equidigital number, since it uses as much as digits as its factorization.

225356773 is an evil number, because the sum of its binary digits is even.

The product of its digits is 264600, while the sum is 40.

The square root of 225356773 is about 15011.8877227349. The cubic root of 225356773 is about 608.5415061530.

The spelling of 225356773 in words is "two hundred twenty-five million, three hundred fifty-six thousand, seven hundred seventy-three".