11032221 has 8 divisors (see below), whose sum is σ = 14750560. Its totient is φ = 7334352.

The previous prime is 11032213. The next prime is 11032223. The reversal of 11032221 is 12223011.

11032221 is digitally balanced in base 2 and base 3, 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 not a de Polignac number, because 11032221 - 2³ = 11032213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11032197 and 11032206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11032223) 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, 3811 + ... + 6048.

It is an arithmetic number, because the mean of its divisors is an integer number (1843820).

Almost surely, 2^11032221 is an apocalyptic number.

It is an amenable number.

11032221 is a deficient number, since it is larger than the sum of its proper divisors (3718339).

11032221 is an equidigital number, since it uses as much as digits as its factorization.

11032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10235.

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

The square root of 11032221 is about 3321.4787369483. The cubic root of 11032221 is about 222.6149454474.

Adding to 11032221 its reverse (12223011), we get a palindrome (23255232).

The spelling of 11032221 in words is "eleven million, thirty-two thousand, two hundred twenty-one".