225852287 has 2 divisors, whose sum is σ = 225852288. Its totient is φ = 225852286.

The previous prime is 225852281. The next prime is 225852301. The reversal of 225852287 is 782258522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 225852287 - 2¹⁶ = 225786751 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 (225852281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112926143 + 112926144.

It is an arithmetic number, because the mean of its divisors is an integer number (112926144).

Almost surely, 2^225852287 is an apocalyptic number.

225852287 is a deficient number, since it is larger than the sum of its proper divisors (1).

225852287 is an equidigital number, since it uses as much as digits as its factorization.

225852287 is an evil number, because the sum of its binary digits is even.

The product of its digits is 179200, while the sum is 41.

The square root of 225852287 is about 15028.3827140514. The cubic root of 225852287 is about 608.9871995785.

It can be divided in two parts, 2258 and 52287, that added together give a palindrome (54545).

The spelling of 225852287 in words is "two hundred twenty-five million, eight hundred fifty-two thousand, two hundred eighty-seven".