9220829 has 2 divisors, whose sum is σ = 9220830. Its totient is φ = 9220828.

The previous prime is 9220793. The next prime is 9220847. The reversal of 9220829 is 9280229.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9211225 + 9604 = 3035^2 + 98^2 .

It is a cyclic number.

It is not a de Polignac number, because 9220829 - 2⁸ = 9220573 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9220795 and 9220804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9220879) 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, 4610414 + 4610415.

It is an arithmetic number, because the mean of its divisors is an integer number (4610415).

Almost surely, 2^9220829 is an apocalyptic number.

It is an amenable number.

9220829 is a deficient number, since it is larger than the sum of its proper divisors (1).

9220829 is an equidigital number, since it uses as much as digits as its factorization.

9220829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 32.

The square root of 9220829 is about 3036.5817953745. The cubic root of 9220829 is about 209.6959242405.

The spelling of 9220829 in words is "nine million, two hundred twenty thousand, eight hundred twenty-nine".