22632229 has 2 divisors, whose sum is σ = 22632230. Its totient is φ = 22632228.

The previous prime is 22632227. The next prime is 22632251. The reversal of 22632229 is 92223622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17892900 + 4739329 = 4230^2 + 2177^2 .

It is a cyclic number.

It is not a de Polignac number, because 22632229 - 2¹ = 22632227 is a prime.

Together with 22632227, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22632197 and 22632206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22632227) 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, 11316114 + 11316115.

It is an arithmetic number, because the mean of its divisors is an integer number (11316115).

Almost surely, 2^22632229 is an apocalyptic number.

It is an amenable number.

22632229 is a deficient number, since it is larger than the sum of its proper divisors (1).

22632229 is an equidigital number, since it uses as much as digits as its factorization.

22632229 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 28.

The square root of 22632229 is about 4757.3342325298. The cubic root of 22632229 is about 282.8627610620.

The spelling of 22632229 in words is "twenty-two million, six hundred thirty-two thousand, two hundred twenty-nine".