10023221 has 12 divisors (see below), whose sum is σ = 10962432. Its totient is φ = 9159696.

The previous prime is 10023197. The next prime is 10023253. The reversal of 10023221 is 12232001.

It is a happy number.

10023221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10023221 - 2²² = 5828917 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10023271) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21230 + ... + 21696.

It is an arithmetic number, because the mean of its divisors is an integer number (913536).

Almost surely, 2^10023221 is an apocalyptic number.

It is an amenable number.

10023221 is a deficient number, since it is larger than the sum of its proper divisors (939211).

10023221 is a wasteful number, since it uses less digits than its factorization.

10023221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 620 (or 607 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 10023221 is about 3165.9470936830. The cubic root of 10023221 is about 215.6101005178.

Adding to 10023221 its reverse (12232001), we get a palindrome (22255222).

The spelling of 10023221 in words is "ten million, twenty-three thousand, two hundred twenty-one".