885261229 has 2 divisors, whose sum is σ = 885261230. Its totient is φ = 885261228.

The previous prime is 885261227. The next prime is 885261239. The reversal of 885261229 is 922162588.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 880724329 + 4536900 = 29677^2 + 2130^2 .

It is a cyclic number.

It is not a de Polignac number, because 885261229 - 2¹ = 885261227 is a prime.

Together with 885261227, it forms a pair of twin primes.

It is equal to p_45294478 and since 885261229 and 45294478 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (885261227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 442630614 + 442630615.

It is an arithmetic number, because the mean of its divisors is an integer number (442630615).

Almost surely, 2^885261229 is an apocalyptic number.

It is an amenable number.

885261229 is a deficient number, since it is larger than the sum of its proper divisors (1).

885261229 is an equidigital number, since it uses as much as digits as its factorization.

885261229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 138240, while the sum is 43.

The square root of 885261229 is about 29753.3397957271. The cubic root of 885261229 is about 960.1899323999.

The spelling of 885261229 in words is "eight hundred eighty-five million, two hundred sixty-one thousand, two hundred twenty-nine".