11230221 has 8 divisors (see below), whose sum is σ = 15490080. Its totient is φ = 7228592.

The previous prime is 11230213. The next prime is 11230231. The reversal of 11230221 is 12203211.

11230221 is digitally balanced in base 2, base 3 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11230221 - 2³ = 11230213 is a prime.

It is a super-2 number, since 2×11230221² = 252235727417682, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11230197 and 11230206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11230201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64455 + ... + 64628.

It is an arithmetic number, because the mean of its divisors is an integer number (1936260).

Almost surely, 2^11230221 is an apocalyptic number.

It is an amenable number.

11230221 is a deficient number, since it is larger than the sum of its proper divisors (4259859).

11230221 is a wasteful number, since it uses less digits than its factorization.

11230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129115.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 11230221 is about 3351.1521899192. The cubic root of 11230221 is about 223.9388451784.

Adding to 11230221 its reverse (12203211), we get a palindrome (23433432).

The spelling of 11230221 in words is "eleven million, two hundred thirty thousand, two hundred twenty-one".