225971783347 has 2 divisors, whose sum is σ = 225971783348. Its totient is φ = 225971783346.

The previous prime is 225971783341. The next prime is 225971783419. The reversal of 225971783347 is 743387179522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225971783347 - 2²⁷ = 225837565619 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 225971783291 and 225971783300.

It is not a weakly prime, because it can be changed into another prime (225971783341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112985891673 + 112985891674.

It is an arithmetic number, because the mean of its divisors is an integer number (112985891674).

Almost surely, 2^225971783347 is an apocalyptic number.

225971783347 is a deficient number, since it is larger than the sum of its proper divisors (1).

225971783347 is an equidigital number, since it uses as much as digits as its factorization.

225971783347 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17781120, while the sum is 58.

The spelling of 225971783347 in words is "two hundred twenty-five billion, nine hundred seventy-one million, seven hundred eighty-three thousand, three hundred forty-seven".