22622213 has 2 divisors, whose sum is σ = 22622214. Its totient is φ = 22622212.

The previous prime is 22622209. The next prime is 22622221. The reversal of 22622213 is 31222622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17455684 + 5166529 = 4178^2 + 2273^2 .

It is a cyclic number.

It is not a de Polignac number, because 22622213 - 2² = 22622209 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22622263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11311106 + 11311107.

It is an arithmetic number, because the mean of its divisors is an integer number (11311107).

Almost surely, 2^22622213 is an apocalyptic number.

It is an amenable number.

22622213 is a deficient number, since it is larger than the sum of its proper divisors (1).

22622213 is an equidigital number, since it uses as much as digits as its factorization.

22622213 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 576, while the sum is 20.

The square root of 22622213 is about 4756.2814256518. The cubic root of 22622213 is about 282.8210274872.

Adding to 22622213 its reverse (31222622), we get a palindrome (53844835).

The spelling of 22622213 in words is "twenty-two million, six hundred twenty-two thousand, two hundred thirteen".