10221304 has 16 divisors (see below), whose sum is σ = 19202400. Its totient is φ = 5100672.

The previous prime is 10221293. The next prime is 10221347. The reversal of 10221304 is 40312201.

It is a super-3 number, since 3×10221304³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4864 + ... + 6640.

It is an arithmetic number, because the mean of its divisors is an integer number (1200150).

Almost surely, 2^10221304 is an apocalyptic number.

It is an amenable number.

10221304 is a deficient number, since it is larger than the sum of its proper divisors (8981096).

10221304 is a wasteful number, since it uses less digits than its factorization.

10221304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2502 (or 2498 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 10221304 is about 3197.0774153905. The cubic root of 10221304 is about 217.0211706075.

Adding to 10221304 its reverse (40312201), we get a palindrome (50533505).

The spelling of 10221304 in words is "ten million, two hundred twenty-one thousand, three hundred four".