863320229 has 2 divisors, whose sum is σ = 863320230. Its totient is φ = 863320228.

The previous prime is 863320201. The next prime is 863320247. The reversal of 863320229 is 922023368.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 729108004 + 134212225 = 27002^2 + 11585^2 .

It is a cyclic number.

It is not a de Polignac number, because 863320229 - 2²⁰ = 862271653 is a prime.

It is a super-2 number, since 2×863320229² = 1490643635601224882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (863320729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 431660114 + 431660115.

It is an arithmetic number, because the mean of its divisors is an integer number (431660115).

Almost surely, 2^863320229 is an apocalyptic number.

It is an amenable number.

863320229 is a deficient number, since it is larger than the sum of its proper divisors (1).

863320229 is an equidigital number, since it uses as much as digits as its factorization.

863320229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 863320229 is about 29382.3114985870. The cubic root of 863320229 is about 952.1907811073.

The spelling of 863320229 in words is "eight hundred sixty-three million, three hundred twenty thousand, two hundred twenty-nine".