10573221 has 4 divisors (see below), whose sum is σ = 14097632. Its totient is φ = 7048812.

The previous prime is 10573217. The next prime is 10573223. The reversal of 10573221 is 12237501.

10573221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 10573221 - 2² = 10573217 is a prime.

It is a super-2 number, since 2×10573221² = 223586004629682, 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 (10573223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1762201 + ... + 1762206.

It is an arithmetic number, because the mean of its divisors is an integer number (3524408).

Almost surely, 2^10573221 is an apocalyptic number.

It is an amenable number.

10573221 is a deficient number, since it is larger than the sum of its proper divisors (3524411).

10573221 is an equidigital number, since it uses as much as digits as its factorization.

10573221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3524410.

The product of its (nonzero) digits is 420, while the sum is 21.

The square root of 10573221 is about 3251.6489662939. The cubic root of 10573221 is about 219.4837827867.

It can be divided in two parts, 1057 and 3221, that added together give a triangular number (4278 = T₉₂).

The spelling of 10573221 in words is "ten million, five hundred seventy-three thousand, two hundred twenty-one".