858033229 has 2 divisors, whose sum is σ = 858033230. Its totient is φ = 858033228.

The previous prime is 858033181. The next prime is 858033257. The reversal of 858033229 is 922330858.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 692216100 + 165817129 = 26310^2 + 12877^2 .

It is a cyclic number.

It is not a de Polignac number, because 858033229 - 2⁹ = 858032717 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 858033191 and 858033200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (858033529) 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, 429016614 + 429016615.

It is an arithmetic number, because the mean of its divisors is an integer number (429016615).

Almost surely, 2^858033229 is an apocalyptic number.

It is an amenable number.

858033229 is a deficient number, since it is larger than the sum of its proper divisors (1).

858033229 is an equidigital number, since it uses as much as digits as its factorization.

858033229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 103680, while the sum is 40.

The square root of 858033229 is about 29292.2042359396. The cubic root of 858033229 is about 950.2430510158.

The spelling of 858033229 in words is "eight hundred fifty-eight million, thirty-three thousand, two hundred twenty-nine".