10683221 has 4 divisors (see below), whose sum is σ = 10931712. Its totient is φ = 10434732.

The previous prime is 10683193. The next prime is 10683227. The reversal of 10683221 is 12238601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10683221 is a prime.

It is a super-2 number, since 2×10683221² = 228262421869682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10683227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124181 + ... + 124266.

It is an arithmetic number, because the mean of its divisors is an integer number (2732928).

Almost surely, 2^10683221 is an apocalyptic number.

It is an amenable number.

10683221 is a deficient number, since it is larger than the sum of its proper divisors (248491).

10683221 is an equidigital number, since it uses as much as digits as its factorization.

10683221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248490.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 10683221 is about 3268.5196955197. The cubic root of 10683221 is about 220.2423019079.

The spelling of 10683221 in words is "ten million, six hundred eighty-three thousand, two hundred twenty-one".