2113229 has 2 divisors, whose sum is σ = 2113230. Its totient is φ = 2113228.

The previous prime is 2113211. The next prime is 2113249. The reversal of 2113229 is 9223112.

2113229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (2113249) can be obtained adding 2113229 to its sum of digits (20).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1755625 + 357604 = 1325^2 + 598^2 .

It is a cyclic number.

It is not a de Polignac number, because 2113229 - 2⁸ = 2112973 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2113229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2113249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1056614 + 1056615.

It is an arithmetic number, because the mean of its divisors is an integer number (1056615).

2^2113229 is an apocalyptic number.

It is an amenable number.

2113229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2113229 is an equidigital number, since it uses as much as digits as its factorization.

2113229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 216, while the sum is 20.

The square root of 2113229 is about 1453.6949473669. The cubic root of 2113229 is about 128.3262551146.

The spelling of 2113229 in words is "two million, one hundred thirteen thousand, two hundred twenty-nine".