10202222321 has 8 divisors (see below), whose sum is σ = 10264431144. Its totient is φ = 10140197760.

The previous prime is 10202222207. The next prime is 10202222339. The reversal of 10202222321 is 12322220201.

It can be written as a sum of positive squares in 4 ways, for example, as 2119313296 + 8082909025 = 46036^2 + 89905^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10202222321 is a prime.

It is a super-2 number, since 2×10202222321² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10202222321.

It is not an unprimeable number, because it can be changed into a prime (10202222621) 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, 65831 + ... + 157283.

It is an arithmetic number, because the mean of its divisors is an integer number (1283053893).

Almost surely, 2^10202222321 is an apocalyptic number.

It is an amenable number.

10202222321 is a deficient number, since it is larger than the sum of its proper divisors (62208823).

10202222321 is an equidigital number, since it uses as much as digits as its factorization.

10202222321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92131.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 10202222321 its reverse (12322220201), we get a palindrome (22524442522).

The spelling of 10202222321 in words is "ten billion, two hundred two million, two hundred twenty-two thousand, three hundred twenty-one".