225427 has 2 divisors, whose sum is σ = 225428. Its totient is φ = 225426.

The previous prime is 225383. The next prime is 225431. The reversal of 225427 is 724522.

225427 is nontrivially palindromic in base 13.

225427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225427 - 2⁷ = 225299 is a prime.

225427 is an undulating number in base 13.

225427 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 225398 and 225407.

It is not a weakly prime, because it can be changed into another prime (225457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112713 + 112714.

It is an arithmetic number, because the mean of its divisors is an integer number (112714).

2²²⁵⁴²⁷ is an apocalyptic number.

225427 is a deficient number, since it is larger than the sum of its proper divisors (1).

225427 is an equidigital number, since it uses as much as digits as its factorization.

225427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1120, while the sum is 22.

The square root of 225427 is about 474.7915332017. The cubic root of 225427 is about 60.8604712013.

Adding to 225427 its reverse (724522), we get a palindrome (949949).

The spelling of 225427 in words is "two hundred twenty-five thousand, four hundred twenty-seven".