225862118249 has 2 divisors, whose sum is σ = 225862118250. Its totient is φ = 225862118248.

The previous prime is 225862118219. The next prime is 225862118291. The reversal of 225862118249 is 942811268522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201123547024 + 24738571225 = 448468^2 + 157285^2 .

It is a cyclic number.

It is not a de Polignac number, because 225862118249 - 2²⁰ = 225861069673 is a prime.

It is a super-3 number, since 3×225862118249³ (a number of 35 digits) contains 333 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 225862118197 and 225862118206.

It is not a weakly prime, because it can be changed into another prime (225862118219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112931059124 + 112931059125.

It is an arithmetic number, because the mean of its divisors is an integer number (112931059125).

Almost surely, 2^225862118249 is an apocalyptic number.

It is an amenable number.

225862118249 is a deficient number, since it is larger than the sum of its proper divisors (1).

225862118249 is an equidigital number, since it uses as much as digits as its factorization.

225862118249 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1105920, while the sum is 50.

The spelling of 225862118249 in words is "two hundred twenty-five billion, eight hundred sixty-two million, one hundred eighteen thousand, two hundred forty-nine".