22230727 has 2 divisors, whose sum is σ = 22230728. Its totient is φ = 22230726.

The previous prime is 22230709. The next prime is 22230731. The reversal of 22230727 is 72703222.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22230727 - 2¹⁹ = 21706439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22230737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11115363 + 11115364.

It is an arithmetic number, because the mean of its divisors is an integer number (11115364).

Almost surely, 2^22230727 is an apocalyptic number.

22230727 is a deficient number, since it is larger than the sum of its proper divisors (1).

22230727 is an equidigital number, since it uses as much as digits as its factorization.

22230727 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2352, while the sum is 25.

The square root of 22230727 is about 4714.9471895240. The cubic root of 22230727 is about 281.1800832297.

Adding to 22230727 its reverse (72703222), we get a palindrome (94933949).

The spelling of 22230727 in words is "twenty-two million, two hundred thirty thousand, seven hundred twenty-seven".