881173229 has 2 divisors, whose sum is σ = 881173230. Its totient is φ = 881173228.

The previous prime is 881173199. The next prime is 881173231. The reversal of 881173229 is 922371188.

881173229 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., 880724329 + 448900 = 29677^2 + 670^2 .

It is a cyclic number.

It is not a de Polignac number, because 881173229 - 2⁸ = 881172973 is a prime.

It is a Sophie Germain prime.

Together with 881173231, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (881173259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 440586614 + 440586615.

It is an arithmetic number, because the mean of its divisors is an integer number (440586615).

Almost surely, 2^881173229 is an apocalyptic number.

It is an amenable number.

881173229 is a deficient number, since it is larger than the sum of its proper divisors (1).

881173229 is an equidigital number, since it uses as much as digits as its factorization.

881173229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 41.

The square root of 881173229 is about 29684.5621325294. The cubic root of 881173229 is about 958.7096484113.

The spelling of 881173229 in words is "eight hundred eighty-one million, one hundred seventy-three thousand, two hundred twenty-nine".