11230217 has 4 divisors (see below), whose sum is σ = 11890836. Its totient is φ = 10569600.

The previous prime is 11230213. The next prime is 11230231. The reversal of 11230217 is 71203211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71203211 = 2767 ⋅25733.

It can be written as a sum of positive squares in 2 ways, for example, as 4239481 + 6990736 = 2059^2 + 2644^2 .

It is a cyclic number.

It is not a de Polignac number, because 11230217 - 2² = 11230213 is a prime.

It is a super-2 number, since 2×11230217² = 252235547734178, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 660601 = 11230217 / (1 + 1 + 2 + 3 + 0 + 2 + 1 + 7).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11230195 and 11230204.

It is not an unprimeable number, because it can be changed into a prime (11230213) 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 in 3 ways as a sum of consecutive naturals, for example, 330284 + ... + 330317.

It is an arithmetic number, because the mean of its divisors is an integer number (2972709).

Almost surely, 2^11230217 is an apocalyptic number.

11230217 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

11230217 is a deficient number, since it is larger than the sum of its proper divisors (660619).

11230217 is an equidigital number, since it uses as much as digits as its factorization.

11230217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660618.

The product of its (nonzero) digits is 84, while the sum is 17.

The square root of 11230217 is about 3351.1515931094. The cubic root of 11230217 is about 223.9388185907.

Adding to 11230217 its reverse (71203211), we get a palindrome (82433428).

The spelling of 11230217 in words is "eleven million, two hundred thirty thousand, two hundred seventeen".