22302227 has 2 divisors, whose sum is σ = 22302228. Its totient is φ = 22302226.

The previous prime is 22302221. The next prime is 22302229. The reversal of 22302227 is 72220322.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22302227 - 2⁴ = 22302211 is a prime.

Together with 22302229, 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 = 22302199 and 22302208.

It is not a weakly prime, because it can be changed into another prime (22302221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11151113 + 11151114.

It is an arithmetic number, because the mean of its divisors is an integer number (11151114).

Almost surely, 2^22302227 is an apocalyptic number.

22302227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22302227 is an equidigital number, since it uses as much as digits as its factorization.

22302227 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 20.

The square root of 22302227 is about 4722.5233720967. The cubic root of 22302227 is about 281.4812108939.

Adding to 22302227 its reverse (72220322), we get a palindrome (94522549).

The spelling of 22302227 in words is "twenty-two million, three hundred two thousand, two hundred twenty-seven".