22826213 has 2 divisors, whose sum is σ = 22826214. Its totient is φ = 22826212.

The previous prime is 22826183. The next prime is 22826233. The reversal of 22826213 is 31262822.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22108804 + 717409 = 4702^2 + 847^2 .

It is a cyclic number.

It is not a de Polignac number, because 22826213 - 2⁶ = 22826149 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 (22826233) 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, 11413106 + 11413107.

It is an arithmetic number, because the mean of its divisors is an integer number (11413107).

Almost surely, 2^22826213 is an apocalyptic number.

It is an amenable number.

22826213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22826213 is an equidigital number, since it uses as much as digits as its factorization.

22826213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2304, while the sum is 26.

The square root of 22826213 is about 4777.6786204181. The cubic root of 22826213 is about 283.6686151608.

The spelling of 22826213 in words is "twenty-two million, eight hundred twenty-six thousand, two hundred thirteen".