2212229 has 2 divisors, whose sum is σ = 2212230. Its totient is φ = 2212228.

The previous prime is 2212219. The next prime is 2212241. The reversal of 2212229 is 9222122.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1151329 + 1060900 = 1073^2 + 1030^2 .

It is a cyclic number.

It is not a de Polignac number, because 2212229 - 2¹⁶ = 2146693 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2212229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2212219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1106114 + 1106115.

It is an arithmetic number, because the mean of its divisors is an integer number (1106115).

2^2212229 is an apocalyptic number.

It is an amenable number.

2212229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2212229 is an equidigital number, since it uses as much as digits as its factorization.

2212229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 288, while the sum is 20.

The square root of 2212229 is about 1487.3563796212. The cubic root of 2212229 is about 130.2996833755.

The spelling of 2212229 in words is "two million, two hundred twelve thousand, two hundred twenty-nine".