10222321 has 4 divisors (see below), whose sum is σ = 10823652. Its totient is φ = 9620992.

The previous prime is 10222313. The next prime is 10222369. The reversal of 10222321 is 12322201.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12322201 = 97 ⋅127033.

It can be written as a sum of positive squares in 2 ways, for example, as 9090225 + 1132096 = 3015^2 + 1064^2 .

It is a cyclic number.

It is not a de Polignac number, because 10222321 - 2³ = 10222313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10228321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 300640 + ... + 300673.

It is an arithmetic number, because the mean of its divisors is an integer number (2705913).

Almost surely, 2^10222321 is an apocalyptic number.

It is an amenable number.

10222321 is a deficient number, since it is larger than the sum of its proper divisors (601331).

10222321 is an equidigital number, since it uses as much as digits as its factorization.

10222321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 601330.

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

The square root of 10222321 is about 3197.2364629473. The cubic root of 10222321 is about 217.0283680979.

Adding to 10222321 its reverse (12322201), we get a palindrome (22544522).

The spelling of 10222321 in words is "ten million, two hundred twenty-two thousand, three hundred twenty-one".