225783247 has 2 divisors, whose sum is σ = 225783248. Its totient is φ = 225783246.

The previous prime is 225783223. The next prime is 225783301. The reversal of 225783247 is 742387522.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225783247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (225783947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112891623 + 112891624.

It is an arithmetic number, because the mean of its divisors is an integer number (112891624).

Almost surely, 2^225783247 is an apocalyptic number.

225783247 is a deficient number, since it is larger than the sum of its proper divisors (1).

225783247 is an equidigital number, since it uses as much as digits as its factorization.

225783247 is an evil number, because the sum of its binary digits is even.

The product of its digits is 188160, while the sum is 40.

The square root of 225783247 is about 15026.0855514668. The cubic root of 225783247 is about 608.9251401949.

The spelling of 225783247 in words is "two hundred twenty-five million, seven hundred eighty-three thousand, two hundred forty-seven".