225943427 has 2 divisors, whose sum is σ = 225943428. Its totient is φ = 225943426.

The previous prime is 225943373. The next prime is 225943433. The reversal of 225943427 is 724349522.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 225943427 - 2¹⁰ = 225942403 is a prime.

It is not a weakly prime, because it can be changed into another prime (225943327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112971713 + 112971714.

It is an arithmetic number, because the mean of its divisors is an integer number (112971714).

Almost surely, 2^225943427 is an apocalyptic number.

225943427 is a deficient number, since it is larger than the sum of its proper divisors (1).

225943427 is an equidigital number, since it uses as much as digits as its factorization.

225943427 is an evil number, because the sum of its binary digits is even.

The product of its digits is 120960, while the sum is 38.

The square root of 225943427 is about 15031.4146706157. The cubic root of 225943427 is about 609.0691050722.

The spelling of 225943427 in words is "two hundred twenty-five million, nine hundred forty-three thousand, four hundred twenty-seven".