10330221 has 8 divisors (see below), whose sum is σ = 15025824. Its totient is φ = 6260720.

The previous prime is 10330193. The next prime is 10330231. The reversal of 10330221 is 12203301.

It is a happy number.

10330221 is digitally balanced in base 2, because in such base 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 10330221 - 2⁷ = 10330093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10330197 and 10330206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10330231) 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, 156486 + ... + 156551.

It is an arithmetic number, because the mean of its divisors is an integer number (1878228).

Almost surely, 2^10330221 is an apocalyptic number.

10330221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10330221 is a deficient number, since it is larger than the sum of its proper divisors (4695603).

10330221 is a wasteful number, since it uses less digits than its factorization.

10330221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313051.

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 10330221 is about 3214.0661163081. The cubic root of 10330221 is about 217.7892992674.

Adding to 10330221 its reverse (12203301), we get a palindrome (22533522).

Subtracting 10330221 from its reverse (12203301), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 10330221 in words is "ten million, three hundred thirty thousand, two hundred twenty-one".