22434227 has 2 divisors, whose sum is σ = 22434228. Its totient is φ = 22434226.

The previous prime is 22434199. The next prime is 22434239. The reversal of 22434227 is 72243422.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22434227 - 2¹⁶ = 22368691 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22434196 and 22434205.

It is not a weakly prime, because it can be changed into another prime (22434277) 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, 11217113 + 11217114.

It is an arithmetic number, because the mean of its divisors is an integer number (11217114).

Almost surely, 2^22434227 is an apocalyptic number.

22434227 is a deficient number, since it is larger than the sum of its proper divisors (1).

22434227 is an equidigital number, since it uses as much as digits as its factorization.

22434227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 26.

The square root of 22434227 is about 4736.4783331078. The cubic root of 22434227 is about 282.0354523441.

Adding to 22434227 its reverse (72243422), we get a palindrome (94677649).

The spelling of 22434227 in words is "twenty-two million, four hundred thirty-four thousand, two hundred twenty-seven".