22031027 has 2 divisors, whose sum is σ = 22031028. Its totient is φ = 22031026.

The previous prime is 22031017. The next prime is 22031057. The reversal of 22031027 is 72013022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22031027 - 2¹⁸ = 21768883 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 22030996 and 22031014.

It is not a weakly prime, because it can be changed into another prime (22031017) 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, 11015513 + 11015514.

It is an arithmetic number, because the mean of its divisors is an integer number (11015514).

Almost surely, 2^22031027 is an apocalyptic number.

22031027 is a deficient number, since it is larger than the sum of its proper divisors (1).

22031027 is an equidigital number, since it uses as much as digits as its factorization.

22031027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 22031027 is about 4693.7220838051. The cubic root of 22031027 is about 280.3355967562.

Adding to 22031027 its reverse (72013022), we get a palindrome (94044049).

The spelling of 22031027 in words is "twenty-two million, thirty-one thousand, twenty-seven".