225767783 has 2 divisors, whose sum is σ = 225767784. Its totient is φ = 225767782.

The previous prime is 225767779. The next prime is 225767809. The reversal of 225767783 is 387767522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225767783 - 2² = 225767779 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225767683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112883891 + 112883892.

It is an arithmetic number, because the mean of its divisors is an integer number (112883892).

Almost surely, 2^225767783 is an apocalyptic number.

225767783 is a deficient number, since it is larger than the sum of its proper divisors (1).

225767783 is an equidigital number, since it uses as much as digits as its factorization.

225767783 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 987840, while the sum is 47.

The square root of 225767783 is about 15025.5709708483. The cubic root of 225767783 is about 608.9112380218.

The spelling of 225767783 in words is "two hundred twenty-five million, seven hundred sixty-seven thousand, seven hundred eighty-three".