10322221 has 16 divisors (see below), whose sum is σ = 12901504. Its totient is φ = 8040384.

The previous prime is 10322203. The next prime is 10322243. The reversal of 10322221 is 12222301.

It is a cyclic number.

It is not a de Polignac number, because 10322221 - 2⁵ = 10322189 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10322321) 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 15 ways as a sum of consecutive naturals, for example, 5251 + ... + 6943.

It is an arithmetic number, because the mean of its divisors is an integer number (806344).

Almost surely, 2^10322221 is an apocalyptic number.

It is an amenable number.

10322221 is a deficient number, since it is larger than the sum of its proper divisors (2579283).

10322221 is a wasteful number, since it uses less digits than its factorization.

10322221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780.

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

The square root of 10322221 is about 3212.8213457956. The cubic root of 10322221 is about 217.7330641248.

Adding to 10322221 its reverse (12222301), we get a palindrome (22544522).

The spelling of 10322221 in words is "ten million, three hundred twenty-two thousand, two hundred twenty-one".