22271027 has 2 divisors, whose sum is σ = 22271028. Its totient is φ = 22271026.

The previous prime is 22270999. The next prime is 22271083. The reversal of 22271027 is 72017222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22271027 - 2¹² = 22266931 is a prime.

It is a Chen prime.

It is equal to p_1405175 and since 22271027 and 1405175 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 22270993 and 22271011.

It is not a weakly prime, because it can be changed into another prime (22271927) 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, 11135513 + 11135514.

It is an arithmetic number, because the mean of its divisors is an integer number (11135514).

Almost surely, 2^22271027 is an apocalyptic number.

22271027 is a deficient number, since it is larger than the sum of its proper divisors (1).

22271027 is an equidigital number, since it uses as much as digits as its factorization.

22271027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 784, while the sum is 23.

The square root of 22271027 is about 4719.2188972329. The cubic root of 22271027 is about 281.3498889965.

Adding to 22271027 its reverse (72017222), we get a palindrome (94288249).

The spelling of 22271027 in words is "twenty-two million, two hundred seventy-one thousand, twenty-seven".