225544867 has 2 divisors, whose sum is σ = 225544868. Its totient is φ = 225544866.

The previous prime is 225544853. The next prime is 225544873. The reversal of 225544867 is 768445522.

It is a happy number.

225544867 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 225544867 - 2²³ = 217156259 is a prime.

It is not a weakly prime, because it can be changed into another prime (225544807) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112772433 + 112772434.

It is an arithmetic number, because the mean of its divisors is an integer number (112772434).

Almost surely, 2^225544867 is an apocalyptic number.

225544867 is a deficient number, since it is larger than the sum of its proper divisors (1).

225544867 is an equidigital number, since it uses as much as digits as its factorization.

225544867 is an evil number, because the sum of its binary digits is even.

The product of its digits is 537600, while the sum is 43.

The square root of 225544867 is about 15018.1512510695. The cubic root of 225544867 is about 608.7107654329.

The spelling of 225544867 in words is "two hundred twenty-five million, five hundred forty-four thousand, eight hundred sixty-seven".