225544027 has 2 divisors, whose sum is σ = 225544028. Its totient is φ = 225544026.

The previous prime is 225544001. The next prime is 225544031. The reversal of 225544027 is 720445522.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225544027 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 225544027.

It is not a weakly prime, because it can be changed into another prime (225544087) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112772013 + 112772014.

It is an arithmetic number, because the mean of its divisors is an integer number (112772014).

Almost surely, 2^225544027 is an apocalyptic number.

225544027 is a deficient number, since it is larger than the sum of its proper divisors (1).

225544027 is an equidigital number, since it uses as much as digits as its factorization.

225544027 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22400, while the sum is 31.

The square root of 225544027 is about 15018.1232848848. The cubic root of 225544027 is about 608.7100097552.

Adding to 225544027 its reverse (720445522), we get a palindrome (945989549).

The spelling of 225544027 in words is "two hundred twenty-five million, five hundred forty-four thousand, twenty-seven".