225016331 has 2 divisors, whose sum is σ = 225016332. Its totient is φ = 225016330.

The previous prime is 225016327. The next prime is 225016333. The reversal of 225016331 is 133610522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225016331 - 2² = 225016327 is a prime.

It is a super-2 number, since 2×225016331² = 101264698433403122, which contains 22 as substring.

Together with 225016333, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 225016297 and 225016306.

It is not a weakly prime, because it can be changed into another prime (225016333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112508165 + 112508166.

It is an arithmetic number, because the mean of its divisors is an integer number (112508166).

Almost surely, 2^225016331 is an apocalyptic number.

225016331 is a deficient number, since it is larger than the sum of its proper divisors (1).

225016331 is an equidigital number, since it uses as much as digits as its factorization.

225016331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 225016331 is about 15000.5443567892. The cubic root of 225016331 is about 608.2349145259.

Adding to 225016331 its reverse (133610522), we get a palindrome (358626853).

It can be divided in two parts, 2250 and 16331, that added together give a palindrome (18581).

The spelling of 225016331 in words is "two hundred twenty-five million, sixteen thousand, three hundred thirty-one".