225665339 has 2 divisors, whose sum is σ = 225665340. Its totient is φ = 225665338.

The previous prime is 225665287. The next prime is 225665347. The reversal of 225665339 is 933566522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225665339 - 2¹² = 225661243 is a prime.

It is a super-3 number, since 3×225665339³ (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 225665296 and 225665305.

It is not a weakly prime, because it can be changed into another prime (225665369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112832669 + 112832670.

It is an arithmetic number, because the mean of its divisors is an integer number (112832670).

Almost surely, 2^225665339 is an apocalyptic number.

225665339 is a deficient number, since it is larger than the sum of its proper divisors (1).

225665339 is an equidigital number, since it uses as much as digits as its factorization.

225665339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 291600, while the sum is 41.

The square root of 225665339 is about 15022.1615954562. The cubic root of 225665339 is about 608.8191245835.

The spelling of 225665339 in words is "two hundred twenty-five million, six hundred sixty-five thousand, three hundred thirty-nine".