22230517 has 2 divisors, whose sum is σ = 22230518. Its totient is φ = 22230516.

The previous prime is 22230497. The next prime is 22230529. The reversal of 22230517 is 71503222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11771761 + 10458756 = 3431^2 + 3234^2 .

It is a cyclic number.

It is not a de Polignac number, because 22230517 - 2²³ = 13841909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22237517) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11115258 + 11115259.

It is an arithmetic number, because the mean of its divisors is an integer number (11115259).

Almost surely, 2^22230517 is an apocalyptic number.

It is an amenable number.

22230517 is a deficient number, since it is larger than the sum of its proper divisors (1).

22230517 is an equidigital number, since it uses as much as digits as its factorization.

22230517 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 22230517 is about 4714.9249198688. The cubic root of 22230517 is about 281.1791978485.

Adding to 22230517 its reverse (71503222), we get a palindrome (93733739).

The spelling of 22230517 in words is "twenty-two million, two hundred thirty thousand, five hundred seventeen".