22323003221 has 2 divisors, whose sum is σ = 22323003222. Its totient is φ = 22323003220.

The previous prime is 22323003203. The next prime is 22323003323. The reversal of 22323003221 is 12230032322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22205172196 + 117831025 = 149014^2 + 10855^2 .

It is a cyclic number.

It is not a de Polignac number, because 22323003221 - 2³⁴ = 5143134037 is a prime.

It is a super-3 number, since 3×22323003221³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22323003193 and 22323003202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22323003421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11161501610 + 11161501611.

It is an arithmetic number, because the mean of its divisors is an integer number (11161501611).

Almost surely, 2^22323003221 is an apocalyptic number.

It is an amenable number.

22323003221 is a deficient number, since it is larger than the sum of its proper divisors (1).

22323003221 is an equidigital number, since it uses as much as digits as its factorization.

22323003221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 22323003221 its reverse (12230032322), we get a palindrome (34553035543).

The spelling of 22323003221 in words is "twenty-two billion, three hundred twenty-three million, three thousand, two hundred twenty-one".