225567889 has 2 divisors, whose sum is σ = 225567890. Its totient is φ = 225567888.

The previous prime is 225567871. The next prime is 225567907. The reversal of 225567889 is 988765522.

225567889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (225567871) and next prime (225567907).

It can be written as a sum of positive squares in only one way, i.e., 225510289 + 57600 = 15017^2 + 240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-225567889 is a prime.

It is a super-3 number, since 3×225567889³ (a number of 26 digits) contains 333 as substring.

It is a plaindrome in base 10.

It is not a weakly prime, because it can be changed into another prime (225567869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112783944 + 112783945.

It is an arithmetic number, because the mean of its divisors is an integer number (112783945).

Almost surely, 2^225567889 is an apocalyptic number.

It is an amenable number.

225567889 is a deficient number, since it is larger than the sum of its proper divisors (1).

225567889 is an equidigital number, since it uses as much as digits as its factorization.

225567889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 52.

The square root of 225567889 is about 15018.9177040158. The cubic root of 225567889 is about 608.7314756691.

The spelling of 225567889 in words is "two hundred twenty-five million, five hundred sixty-seven thousand, eight hundred eighty-nine".