225311663 has 2 divisors, whose sum is σ = 225311664. Its totient is φ = 225311662.

The previous prime is 225311641. The next prime is 225311677. The reversal of 225311663 is 366113522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225311663 - 2⁸ = 225311407 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225311683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112655831 + 112655832.

It is an arithmetic number, because the mean of its divisors is an integer number (112655832).

Almost surely, 2^225311663 is an apocalyptic number.

225311663 is a deficient number, since it is larger than the sum of its proper divisors (1).

225311663 is an equidigital number, since it uses as much as digits as its factorization.

225311663 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6480, while the sum is 29.

The square root of 225311663 is about 15010.3851716070. The cubic root of 225311663 is about 608.5008992244.

The spelling of 225311663 in words is "two hundred twenty-five million, three hundred eleven thousand, six hundred sixty-three".