2422229 has 2 divisors, whose sum is σ = 2422230. Its totient is φ = 2422228.

The previous prime is 2422223. The next prime is 2422237. The reversal of 2422229 is 9222242.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2280100 + 142129 = 1510^2 + 377^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2422229 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2422223) 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, 1211114 + 1211115.

It is an arithmetic number, because the mean of its divisors is an integer number (1211115).

2^2422229 is an apocalyptic number.

It is an amenable number.

2422229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2422229 is an equidigital number, since it uses as much as digits as its factorization.

2422229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1152, while the sum is 23.

The square root of 2422229 is about 1556.3511814497. The cubic root of 2422229 is about 134.2986766142.

The spelling of 2422229 in words is "two million, four hundred twenty-two thousand, two hundred twenty-nine".