10221244 has 24 divisors (see below), whose sum is σ = 19616688. Its totient is φ = 4621440.

The previous prime is 10221203. The next prime is 10221247. The reversal of 10221244 is 44212201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10221247) 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, 9754 + ... + 10750.

It is an arithmetic number, because the mean of its divisors is an integer number (817362).

Almost surely, 2^10221244 is an apocalyptic number.

It is an amenable number.

10221244 is a deficient number, since it is larger than the sum of its proper divisors (9395444).

10221244 is a wasteful number, since it uses less digits than its factorization.

10221244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1245 (or 1243 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 10221244 is about 3197.0680318066. The cubic root of 10221244 is about 217.0207459619.

Adding to 10221244 its reverse (44212201), we get a palindrome (54433445).

The spelling of 10221244 in words is "ten million, two hundred twenty-one thousand, two hundred forty-four".