2231225189 has 2 divisors, whose sum is σ = 2231225190. Its totient is φ = 2231225188.

The previous prime is 2231225177. The next prime is 2231225257. The reversal of 2231225189 is 9815221322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1628768164 + 602457025 = 40358^2 + 24545^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231225189 - 2¹⁶ = 2231159653 is a prime.

It is a super-3 number, since 3×2231225189³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231225149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115612594 + 1115612595.

It is an arithmetic number, because the mean of its divisors is an integer number (1115612595).

Almost surely, 2^2231225189 is an apocalyptic number.

It is an amenable number.

2231225189 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231225189 is an equidigital number, since it uses as much as digits as its factorization.

2231225189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 35.

The square root of 2231225189 is about 47235.8464410240. The cubic root of 2231225189 is about 1306.7157770470.

The spelling of 2231225189 in words is "two billion, two hundred thirty-one million, two hundred twenty-five thousand, one hundred eighty-nine".