225641369 has 2 divisors, whose sum is σ = 225641370. Its totient is φ = 225641368.

The previous prime is 225641309. The next prime is 225641399. The reversal of 225641369 is 963146522.

225641369 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 can be written as a sum of positive squares in only one way, i.e., 114233344 + 111408025 = 10688^2 + 10555^2 .

It is a cyclic number.

It is not a de Polignac number, because 225641369 - 2¹² = 225637273 is a prime.

It is a super-2 number, since 2×225641369² = 101828054808388322, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (225641309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112820684 + 112820685.

It is an arithmetic number, because the mean of its divisors is an integer number (112820685).

Almost surely, 2^225641369 is an apocalyptic number.

It is an amenable number.

225641369 is a deficient number, since it is larger than the sum of its proper divisors (1).

225641369 is an equidigital number, since it uses as much as digits as its factorization.

225641369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 77760, while the sum is 38.

The square root of 225641369 is about 15021.3637530019. The cubic root of 225641369 is about 608.7975677194.

The spelling of 225641369 in words is "two hundred twenty-five million, six hundred forty-one thousand, three hundred sixty-nine".