225333767881 has 2 divisors, whose sum is σ = 225333767882. Its totient is φ = 225333767880.

The previous prime is 225333767819. The next prime is 225333767887. The reversal of 225333767881 is 188767333522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 208209690000 + 17124077881 = 456300^2 + 130859^2 .

It is a cyclic number.

It is not a de Polignac number, because 225333767881 - 2⁹ = 225333767369 is a prime.

It is a super-2 number, since 2×225333767881² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (225333767887) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112666883940 + 112666883941.

It is an arithmetic number, because the mean of its divisors is an integer number (112666883941).

Almost surely, 2^225333767881 is an apocalyptic number.

It is an amenable number.

225333767881 is a deficient number, since it is larger than the sum of its proper divisors (1).

225333767881 is an equidigital number, since it uses as much as digits as its factorization.

225333767881 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10160640, while the sum is 55.

The spelling of 225333767881 in words is "two hundred twenty-five billion, three hundred thirty-three million, seven hundred sixty-seven thousand, eight hundred eighty-one".