22307027 has 2 divisors, whose sum is σ = 22307028. Its totient is φ = 22307026.

The previous prime is 22307023. The next prime is 22307057. The reversal of 22307027 is 72070322.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22307027 - 2² = 22307023 is a prime.

It is a super-3 number, since 3×22307027³ (a number of 23 digits) contains 333 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 22306993 and 22307011.

It is not a weakly prime, because it can be changed into another prime (22307023) 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, 11153513 + 11153514.

It is an arithmetic number, because the mean of its divisors is an integer number (11153514).

Almost surely, 2^22307027 is an apocalyptic number.

22307027 is a deficient number, since it is larger than the sum of its proper divisors (1).

22307027 is an equidigital number, since it uses as much as digits as its factorization.

22307027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 23.

The square root of 22307027 is about 4723.0315476397. The cubic root of 22307027 is about 281.5014033900.

Adding to 22307027 its reverse (72070322), we get a palindrome (94377349).

The spelling of 22307027 in words is "twenty-two million, three hundred seven thousand, twenty-seven".