10803221 has 16 divisors (see below), whose sum is σ = 13106688. Its totient is φ = 8769600.

The previous prime is 10803217. The next prime is 10803227. The reversal of 10803221 is 12230801.

It is a cyclic number.

It is not a de Polignac number, because 10803221 - 2² = 10803217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10803221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10803227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3215 + ... + 5651.

It is an arithmetic number, because the mean of its divisors is an integer number (819168).

Almost surely, 2^10803221 is an apocalyptic number.

10803221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10803221 is a deficient number, since it is larger than the sum of its proper divisors (2303467).

10803221 is a wasteful number, since it uses less digits than its factorization.

10803221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2492.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 10803221 is about 3286.8253680413. The cubic root of 10803221 is about 221.0638622999.

The spelling of 10803221 in words is "ten million, eight hundred three thousand, two hundred twenty-one".