22206407 has 2 divisors, whose sum is σ = 22206408. Its totient is φ = 22206406.

The previous prime is 22206397. The next prime is 22206433. The reversal of 22206407 is 70460222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22206407 - 2¹⁴ = 22190023 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22206907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11103203 + 11103204.

It is an arithmetic number, because the mean of its divisors is an integer number (11103204).

Almost surely, 2^22206407 is an apocalyptic number.

22206407 is a deficient number, since it is larger than the sum of its proper divisors (1).

22206407 is an equidigital number, since it uses as much as digits as its factorization.

22206407 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 22206407 is about 4712.3674517168. The cubic root of 22206407 is about 281.0775105638.

Adding to 22206407 its reverse (70460222), we get a palindrome (92666629).

The spelling of 22206407 in words is "twenty-two million, two hundred six thousand, four hundred seven".