22632227 has 2 divisors, whose sum is σ = 22632228. Its totient is φ = 22632226.

The previous prime is 22632217. The next prime is 22632229. The reversal of 22632227 is 72223622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22632227 - 2¹² = 22628131 is a prime.

Together with 22632229, 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 = 22632196 and 22632205.

It is not a weakly prime, because it can be changed into another prime (22632229) 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, 11316113 + 11316114.

It is an arithmetic number, because the mean of its divisors is an integer number (11316114).

Almost surely, 2^22632227 is an apocalyptic number.

22632227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22632227 is an equidigital number, since it uses as much as digits as its factorization.

22632227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4032, while the sum is 26.

The square root of 22632227 is about 4757.3340223281. The cubic root of 22632227 is about 282.8627527298.

Adding to 22632227 its reverse (72223622), we get a palindrome (94855849).

The spelling of 22632227 in words is "twenty-two million, six hundred thirty-two thousand, two hundred twenty-seven".