10221338 has 12 divisors (see below), whose sum is σ = 16029258. Its totient is φ = 4887960.

The previous prime is 10221293. The next prime is 10221347. The reversal of 10221338 is 83312201.

It can be written as a sum of positive squares in only one way, i.e., 10220809 + 529 = 3197^2 + 23^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3773 + ... + 5888.

Almost surely, 2^10221338 is an apocalyptic number.

10221338 is a deficient number, since it is larger than the sum of its proper divisors (5807920).

10221338 is an equidigital number, since it uses as much as digits as its factorization.

10221338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9709 (or 9686 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 10221338 is about 3197.0827327425. The cubic root of 10221338 is about 217.0214112393.

Adding to 10221338 its reverse (83312201), we get a palindrome (93533539).

The spelling of 10221338 in words is "ten million, two hundred twenty-one thousand, three hundred thirty-eight".