2206469 has 2 divisors, whose sum is σ = 2206470. Its totient is φ = 2206468.

The previous prime is 2206453. The next prime is 2206471. The reversal of 2206469 is 9646022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1890625 + 315844 = 1375^2 + 562^2 .

It is a cyclic number.

It is not a de Polignac number, because 2206469 - 2⁴ = 2206453 is a prime.

It is a super-2 number, since 2×2206469² = 9737010895922, which contains 22 as substring.

Together with 2206471, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2206429) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103234 + 1103235.

It is an arithmetic number, because the mean of its divisors is an integer number (1103235).

2^2206469 is an apocalyptic number.

It is an amenable number.

2206469 is a deficient number, since it is larger than the sum of its proper divisors (1).

2206469 is an equidigital number, since it uses as much as digits as its factorization.

2206469 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 29.

The square root of 2206469 is about 1485.4187961649. The cubic root of 2206469 is about 130.1864976091.

The spelling of 2206469 in words is "two million, two hundred six thousand, four hundred sixty-nine".