225412289 has 2 divisors, whose sum is σ = 225412290. Its totient is φ = 225412288.

The previous prime is 225412261. The next prime is 225412349. The reversal of 225412289 is 982214522.

It is a happy number.

225412289 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 225240064 + 172225 = 15008^2 + 415^2 .

It is a cyclic number.

It is not a de Polignac number, because 225412289 - 2²⁴ = 208635073 is a prime.

It is not a weakly prime, because it can be changed into another prime (225412249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112706144 + 112706145.

It is an arithmetic number, because the mean of its divisors is an integer number (112706145).

Almost surely, 2^225412289 is an apocalyptic number.

It is an amenable number.

225412289 is a deficient number, since it is larger than the sum of its proper divisors (1).

225412289 is an equidigital number, since it uses as much as digits as its factorization.

225412289 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 35.

The square root of 225412289 is about 15013.7366767904. The cubic root of 225412289 is about 608.5914728732.

The spelling of 225412289 in words is "two hundred twenty-five million, four hundred twelve thousand, two hundred eighty-nine".