11220029 has 2 divisors, whose sum is σ = 11220030. Its totient is φ = 11220028.

The previous prime is 11220007. The next prime is 11220037. The reversal of 11220029 is 92002211.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8323225 + 2896804 = 2885^2 + 1702^2 .

It is a cyclic number.

It is not a de Polignac number, because 11220029 - 2¹² = 11215933 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 = 11219989 and 11220016.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11226029) 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, 5610014 + 5610015.

It is an arithmetic number, because the mean of its divisors is an integer number (5610015).

Almost surely, 2^11220029 is an apocalyptic number.

It is an amenable number.

11220029 is a deficient number, since it is larger than the sum of its proper divisors (1).

11220029 is an equidigital number, since it uses as much as digits as its factorization.

11220029 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 11220029 is about 3349.6311737264. The cubic root of 11220029 is about 223.8710793550.

The spelling of 11220029 in words is "eleven million, two hundred twenty thousand, twenty-nine".